./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:11:23,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:11:23,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:11:23,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:11:23,506 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:11:23,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:11:23,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:11:23,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:11:23,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:11:23,527 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:11:23,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:11:23,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:11:23,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:11:23,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:11:23,528 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:11:23,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:11:23,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:11:23,530 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:23,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:11:23,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:23,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:11:23,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:11:23,532 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:11:23,532 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:11:23,532 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1 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 ! call(reach_error())) ) 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 -> d2226df89556021067dd01a2668200dd1f99aac7ec2d26741f3688f0af887e5c [2024-12-02 10:11:23,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:11:23,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:11:23,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:11:23,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:11:23,748 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:11:23,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2024-12-02 10:11:26,511 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/data/6f42be305/30a9a0e9bb85464096abe45d248070de/FLAG4a1a9cf78 [2024-12-02 10:11:26,687 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:11:26,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c [2024-12-02 10:11:26,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/data/6f42be305/30a9a0e9bb85464096abe45d248070de/FLAG4a1a9cf78 [2024-12-02 10:11:26,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/data/6f42be305/30a9a0e9bb85464096abe45d248070de [2024-12-02 10:11:26,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:11:26,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:11:26,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:26,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:11:26,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:11:26,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a740919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26, skipping insertion in model container [2024-12-02 10:11:26,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:11:26,883 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-12-02 10:11:26,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:26,907 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:11:26,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-u.c[1083,1096] [2024-12-02 10:11:26,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:11:26,938 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:11:26,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26 WrapperNode [2024-12-02 10:11:26,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:11:26,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:26,940 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:11:26,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:11:26,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,968 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2024-12-02 10:11:26,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:11:26,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:11:26,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:11:26,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:11:26,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,993 INFO L175 MemorySlicer]: Split 27 memory accesses to 6 slices as follows [2, 8, 5, 4, 6, 2]. 30 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, 2, 1, 1]. [2024-12-02 10:11:26,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:26,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,000 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:11:27,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:11:27,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:11:27,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:11:27,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (1/1) ... [2024-12-02 10:11:27,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:11:27,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:27,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:11:27,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_36_0 [2024-12-02 10:11:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_36_0 [2024-12-02 10:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 10:11:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:11:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 10:11:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 10:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 10:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 10:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 10:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 10:11:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 10:11:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 10:11:27,164 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:11:27,166 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:11:27,320 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-02 10:11:27,321 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:11:27,329 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:11:27,329 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 10:11:27,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:27 BoogieIcfgContainer [2024-12-02 10:11:27,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:11:27,331 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:11:27,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:11:27,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:11:27,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:11:26" (1/3) ... [2024-12-02 10:11:27,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a92163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:27, skipping insertion in model container [2024-12-02 10:11:27,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:11:26" (2/3) ... [2024-12-02 10:11:27,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a92163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:11:27, skipping insertion in model container [2024-12-02 10:11:27,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:27" (3/3) ... [2024-12-02 10:11:27,338 INFO L128 eAbstractionObserver]: Analyzing ICFG recursified_geo1-u.c [2024-12-02 10:11:27,353 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:11:27,354 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG recursified_geo1-u.c that has 3 procedures, 23 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-12-02 10:11:27,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:11:27,406 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1009d511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:11:27,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:11:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 10:11:27,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-02 10:11:27,416 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:27,417 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:11:27,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:27,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:27,422 INFO L85 PathProgramCache]: Analyzing trace with hash -831245217, now seen corresponding path program 1 times [2024-12-02 10:11:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:27,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053529914] [2024-12-02 10:11:27,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:27,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:11:27,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528232095] [2024-12-02 10:11:27,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:27,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:27,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:11:27,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:11:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:27,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-02 10:11:27,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:11:27,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:11:27,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 10:11:27,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 10:11:27,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 10:11:27,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-02 10:11:27,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:11:27,988 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:11:27,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:11:27,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053529914] [2024-12-02 10:11:27,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 10:11:27,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528232095] [2024-12-02 10:11:27,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528232095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:11:27,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:11:27,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 10:11:27,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900990332] [2024-12-02 10:11:27,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:11:27,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 10:11:27,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:11:28,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 10:11:28,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 10:11:28,010 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:11:28,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:11:28,236 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2024-12-02 10:11:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 10:11:28,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-12-02 10:11:28,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:11:28,243 INFO L225 Difference]: With dead ends: 55 [2024-12-02 10:11:28,243 INFO L226 Difference]: Without dead ends: 31 [2024-12-02 10:11:28,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 10:11:28,249 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 12 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 10:11:28,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 107 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 10:11:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-12-02 10:11:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-12-02 10:11:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-12-02 10:11:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-12-02 10:11:28,281 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 9 [2024-12-02 10:11:28,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:11:28,282 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-12-02 10:11:28,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:11:28,282 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-12-02 10:11:28,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 10:11:28,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:11:28,283 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:11:28,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:11:28,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:11:28,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:11:28,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:11:28,484 INFO L85 PathProgramCache]: Analyzing trace with hash -958977162, now seen corresponding path program 1 times [2024-12-02 10:11:28,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:11:28,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018829643] [2024-12-02 10:11:28,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:28,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:11:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:11:28,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [678972305] [2024-12-02 10:11:28,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:11:28,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:11:28,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:11:28,571 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:11:28,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 10:11:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:11:29,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-02 10:11:29,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:11:29,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 10:11:29,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-02 10:11:29,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-12-02 10:11:29,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-12-02 10:11:29,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-12-02 10:11:29,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2024-12-02 10:11:29,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-12-02 10:11:29,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 10:11:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 10:11:29,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:11:51,451 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (select (select |c_#memory_int#2| c_func_to_recursive_line_28_to_36_0_~y.base) c_func_to_recursive_line_28_to_36_0_~y.offset)) (.cse0 (mod (select (select |c_#memory_int#4| c_func_to_recursive_line_28_to_36_0_~z.base) c_func_to_recursive_line_28_to_36_0_~z.offset) 4294967296)) (.cse1 (select (select |c_#memory_int#1| c_func_to_recursive_line_28_to_36_0_~x.base) c_func_to_recursive_line_28_to_36_0_~x.offset))) (or (= (mod (+ .cse0 (* .cse0 18446744073709551615 .cse1) (* .cse0 18446744073709551615 .cse2) (* .cse0 .cse0 .cse1)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 .cse1) (* 18446744073709551615 .cse2) (* .cse0 .cse1) 1) 18446744073709551616) 0)))) is different from true [2024-12-02 10:12:03,482 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (select (select |c_#memory_int#2| |c_func_to_recursive_line_28_to_36_0_#in~y.base|) |c_func_to_recursive_line_28_to_36_0_#in~y.offset|)) (.cse0 (mod (select (select |c_#memory_int#4| |c_func_to_recursive_line_28_to_36_0_#in~z.base|) |c_func_to_recursive_line_28_to_36_0_#in~z.offset|) 4294967296)) (.cse2 (select (select |c_#memory_int#1| |c_func_to_recursive_line_28_to_36_0_#in~x.base|) |c_func_to_recursive_line_28_to_36_0_#in~x.offset|))) (or (= (mod (+ .cse0 (* .cse0 18446744073709551615 .cse1) (* .cse0 .cse0 .cse2) (* .cse0 18446744073709551615 .cse2)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 .cse1) (* 18446744073709551615 .cse2) (* .cse0 .cse2) 1) 18446744073709551616) 0)))) is different from true [2024-12-02 10:12:15,524 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (select (select |c_#memory_int#4| |c_ULTIMATE.start_main_~#z~0#1.base|) |c_ULTIMATE.start_main_~#z~0#1.offset|) 4294967296)) (.cse2 (select (select |c_#memory_int#2| |c_ULTIMATE.start_main_~#y~0#1.base|) |c_ULTIMATE.start_main_~#y~0#1.offset|)) (.cse1 (select (select |c_#memory_int#1| |c_ULTIMATE.start_main_~#x~0#1.base|) |c_ULTIMATE.start_main_~#x~0#1.offset|))) (or (= (mod (+ .cse0 (* .cse0 18446744073709551615 .cse1) (* .cse0 .cse0 .cse1) (* .cse0 18446744073709551615 .cse2)) 18446744073709551616) 0) (not (= (mod (+ (* .cse0 .cse1) (* 18446744073709551615 .cse2) (* 18446744073709551615 .cse1) 1) 18446744073709551616) 0)))) is different from true [2024-12-02 10:12:15,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-12-02 10:12:15,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:12:15,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018829643] [2024-12-02 10:12:15,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 10:12:15,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678972305] [2024-12-02 10:12:15,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678972305] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 10:12:15,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 10:12:15,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-12-02 10:12:15,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250125377] [2024-12-02 10:12:15,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 10:12:15,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-02 10:12:15,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:12:15,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-02 10:12:15,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=432, Unknown=5, NotChecked=132, Total=650 [2024-12-02 10:12:15,535 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 26 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 8 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 10:12:25,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:12:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:12:45,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:12:49,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:05,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:09,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:13,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:17,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:21,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:25,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:29,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:33,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:37,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:41,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:45,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:49,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:54,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:13:58,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:14:02,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:14:06,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-02 10:14:10,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-12-02 10:14:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:14:10,988 INFO L93 Difference]: Finished difference Result 57 states and 65 transitions. [2024-12-02 10:14:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 10:14:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 8 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2024-12-02 10:14:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:14:10,991 INFO L225 Difference]: With dead ends: 57 [2024-12-02 10:14:10,991 INFO L226 Difference]: Without dead ends: 55 [2024-12-02 10:14:10,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 50.5s TimeCoverageRelationStatistics Valid=178, Invalid=879, Unknown=11, NotChecked=192, Total=1260 [2024-12-02 10:14:10,992 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 53 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 186 IncrementalHoareTripleChecker+Unchecked, 86.3s IncrementalHoareTripleChecker+Time [2024-12-02 10:14:10,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 138 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 21 Unknown, 186 Unchecked, 86.3s Time] [2024-12-02 10:14:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-12-02 10:14:11,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-12-02 10:14:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 38 states have internal predecessors, (39), 9 states have call successors, (9), 7 states have call predecessors, (9), 8 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-12-02 10:14:11,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-12-02 10:14:11,002 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 19 [2024-12-02 10:14:11,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:14:11,002 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-12-02 10:14:11,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 8 states have call successors, (8), 8 states have call predecessors, (8), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 10:14:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-12-02 10:14:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 10:14:11,003 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:14:11,003 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:14:11,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:14:11,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 10:14:11,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:14:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:14:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1338289088, now seen corresponding path program 1 times [2024-12-02 10:14:11,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:14:11,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106961465] [2024-12-02 10:14:11,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:14:11,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:14:11,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:14:11,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448048515] [2024-12-02 10:14:11,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:14:11,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:14:11,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:14:11,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:14:11,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 10:14:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:14:11,564 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:14:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:14:11,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:14:11,602 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:14:11,603 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:14:11,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 10:14:11,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:14:11,807 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:14:11,829 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:14:11,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:14:11 BoogieIcfgContainer [2024-12-02 10:14:11,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:14:11,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:14:11,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:14:11,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:14:11,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:11:27" (3/4) ... [2024-12-02 10:14:11,834 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 10:14:11,864 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9. [2024-12-02 10:14:11,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:14:11,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:14:11,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:14:11,902 INFO L158 Benchmark]: Toolchain (without parser) took 165179.71ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 66.9MB in the end (delta: 51.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-02 10:14:11,902 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 84.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:14:11,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.58ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:14:11,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:14:11,903 INFO L158 Benchmark]: Boogie Preprocessor took 38.31ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:14:11,904 INFO L158 Benchmark]: RCFGBuilder took 321.83ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:14:11,904 INFO L158 Benchmark]: TraceAbstraction took 164500.42ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 70.7MB in the end (delta: 18.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-12-02 10:14:11,904 INFO L158 Benchmark]: Witness Printer took 69.11ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:14:11,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 84.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.58ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 106.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.63ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.31ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 103.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 321.83ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 90.2MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 164500.42ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 70.7MB in the end (delta: 18.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Witness Printer took 69.11ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 42]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L78] unsigned int z; [L79] unsigned int k; [L80] unsigned long long x; [L81] unsigned long long y; [L82] unsigned long long c; [L83] z = __VERIFIER_nondet_uint() [L84] k = __VERIFIER_nondet_uint() [L85] x = 1 [L86] EXPR \read(z) [L86] y = z [L87] c = 1 [L88] CALL func_to_recursive_line_28_to_36_0(&c, &y, &z, &x, &k) VAL [\old(c)={4:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={8:0}, \old(z)={7:0}] [L57] EXPR \read(*x) [L57] EXPR \read(*z) [L57] EXPR \read(*x) [L57] EXPR \read(*y) VAL [\old(c)={4:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={8:0}, \old(z)={7:0}, c={4:0}, k={5:0}, x={6:0}, y={8:0}, z={7:0}] [L57] CALL __VERIFIER_assert((((((*x) * (*z)) - (*x)) - (*y)) + 1) == 0) VAL [\old(cond)=1] [L38] COND FALSE !(!cond) VAL [\old(cond)=1] [L57] RET __VERIFIER_assert((((((*x) * (*z)) - (*x)) - (*y)) + 1) == 0) VAL [\old(c)={4:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={8:0}, \old(z)={7:0}, c={4:0}, k={5:0}, x={6:0}, y={8:0}, z={7:0}] [L58] EXPR \read(*c) [L58] EXPR \read(*k) VAL [\old(c)={4:0}, \old(k)={5:0}, \old(x)={6:0}, \old(y)={8:0}, \old(z)={7:0}, c={4:0}, k={5:0}, x={6:0}, y={8:0}, z={7:0}] [L58] COND TRUE !((*c) < (*k)) [L88] RET func_to_recursive_line_28_to_36_0(&c, &y, &z, &x, &k) VAL [c={4:0}, k={5:0}, x={6:0}, y={8:0}, z={7:0}] [L89] EXPR \read(x) [L89] EXPR \read(z) [L89] x = x * (z - 1) [L90] EXPR \read(x) [L90] EXPR \read(y) [L90] CALL __VERIFIER_assert(((1 + x) - y) == 0) VAL [\old(cond)=0] [L38] COND TRUE !cond VAL [\old(cond)=0] [L42] reach_error() VAL [\old(cond)=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 164.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 115.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 86.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 86.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 186 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 32 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 50.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=2, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 46.5s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 44 ConstructedInterpolants, 7 QuantifiedInterpolants, 1283 SizeOfPredicates, 48 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 144 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/10 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 10:14:11,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0cf87d4-3af1-4f89-b3a8-cd6661235518/bin/uautomizer-verify-84ZbGMXZE1/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