./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i --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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:41:05,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:41:05,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:41:05,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:41:05,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:41:05,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:41:05,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:41:05,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:41:05,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:41:05,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:41:05,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:41:05,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:41:05,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:41:05,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:41:05,211 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:41:05,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:41:05,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:41:05,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:41:05,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:41:05,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:41:05,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:05,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:05,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:05,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:41:05,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:41:05,215 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2024-12-02 10:41:05,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:41:05,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:41:05,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:41:05,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:41:05,429 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:41:05,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:08,029 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/5a31eabaf/f3ab5d9ded824093bec8047bf76026b5/FLAG61f6e5e8d [2024-12-02 10:41:08,223 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:41:08,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:08,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/5a31eabaf/f3ab5d9ded824093bec8047bf76026b5/FLAG61f6e5e8d [2024-12-02 10:41:08,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/5a31eabaf/f3ab5d9ded824093bec8047bf76026b5 [2024-12-02 10:41:08,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:41:08,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:41:08,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:08,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:41:08,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:41:08,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ba42ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08, skipping insertion in model container [2024-12-02 10:41:08,611 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:41:08,719 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-12-02 10:41:08,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:08,754 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:41:08,762 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-12-02 10:41:08,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:08,789 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:41:08,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08 WrapperNode [2024-12-02 10:41:08,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:08,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:08,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:41:08,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:41:08,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,821 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-12-02 10:41:08,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:08,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:41:08,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:41:08,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:41:08,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,843 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:41:08,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,847 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:41:08,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:41:08,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:41:08,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:41:08,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (1/1) ... [2024-12-02 10:41:08,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:08,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:08,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:41:08,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:41:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:41:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:41:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:41:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:41:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:41:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:41:08,957 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:41:08,959 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:41:09,116 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 10:41:09,116 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:41:09,124 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:41:09,124 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:41:09,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:09 BoogieIcfgContainer [2024-12-02 10:41:09,124 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:41:09,126 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:41:09,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:41:09,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:41:09,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:41:08" (1/3) ... [2024-12-02 10:41:09,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a28c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:09, skipping insertion in model container [2024-12-02 10:41:09,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:08" (2/3) ... [2024-12-02 10:41:09,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a28c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:09, skipping insertion in model container [2024-12-02 10:41:09,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:09" (3/3) ... [2024-12-02 10:41:09,133 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:09,145 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:41:09,146 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-99.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:41:09,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:41:09,207 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;@68045cee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:41:09,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:41:09,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 10:41:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:09,219 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:09,219 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:09,220 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:09,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2024-12-02 10:41:09,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:09,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944308160] [2024-12-02 10:41:09,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:09,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 10:41:09,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:09,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944308160] [2024-12-02 10:41:09,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944308160] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 10:41:09,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352369798] [2024-12-02 10:41:09,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:09,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:41:09,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:09,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:41:09,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:41:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:09,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:41:09,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:41:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-02 10:41:09,520 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:41:09,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352369798] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:09,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:41:09,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 10:41:09,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599296543] [2024-12-02 10:41:09,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:09,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:41:09,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:09,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:41:09,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:41:09,544 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:09,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:09,560 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2024-12-02 10:41:09,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:41:09,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-12-02 10:41:09,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:09,565 INFO L225 Difference]: With dead ends: 77 [2024-12-02 10:41:09,566 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 10:41:09,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:41:09,570 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:09,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 10:41:09,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 10:41:09,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 10:41:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2024-12-02 10:41:09,606 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2024-12-02 10:41:09,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:09,607 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-12-02 10:41:09,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-12-02 10:41:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:09,609 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:09,610 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:09,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:41:09,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 10:41:09,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:09,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:09,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2024-12-02 10:41:09,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:09,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527563162] [2024-12-02 10:41:09,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:09,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 10:41:11,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:41:11,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527563162] [2024-12-02 10:41:11,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527563162] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:11,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:11,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 10:41:11,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776012248] [2024-12-02 10:41:11,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:11,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:41:11,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:41:11,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:41:11,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 10:41:11,063 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 10:41:11,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:11,322 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2024-12-02 10:41:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:41:11,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2024-12-02 10:41:11,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:11,324 INFO L225 Difference]: With dead ends: 61 [2024-12-02 10:41:11,325 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 10:41:11,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 10:41:11,326 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 75 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:11,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 194 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 10:41:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 10:41:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-12-02 10:41:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:41:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-12-02 10:41:11,344 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2024-12-02 10:41:11,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:11,345 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-12-02 10:41:11,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 10:41:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-12-02 10:41:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:11,347 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:11,347 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:11,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 10:41:11,347 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:11,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:11,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2024-12-02 10:41:11,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:41:11,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669848757] [2024-12-02 10:41:11,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:11,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:41:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:41:11,388 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:41:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:41:11,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:41:11,438 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:41:11,439 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:41:11,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 10:41:11,443 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:41:11,484 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:41:11,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:41:11 BoogieIcfgContainer [2024-12-02 10:41:11,487 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:41:11,487 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:41:11,488 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:41:11,488 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:41:11,488 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:09" (3/4) ... [2024-12-02 10:41:11,490 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:41:11,491 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:41:11,491 INFO L158 Benchmark]: Toolchain (without parser) took 2885.28ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 117.2MB in the beginning and 261.5MB in the end (delta: -144.3MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 10:41:11,492 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:11,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.97ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:11,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.81ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:11,492 INFO L158 Benchmark]: Boogie Preprocessor took 33.76ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:11,493 INFO L158 Benchmark]: RCFGBuilder took 268.39ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 87.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:11,493 INFO L158 Benchmark]: TraceAbstraction took 2360.47ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.3MB in the beginning and 261.5MB in the end (delta: -174.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-12-02 10:41:11,493 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 318.8MB. Free memory was 261.5MB in the beginning and 261.5MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:11,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.97ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 105.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.81ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.76ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 101.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.39ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 87.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2360.47ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.3MB in the beginning and 261.5MB in the end (delta: -174.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 318.8MB. Free memory was 261.5MB in the beginning and 261.5MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 46, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 3.25; [L24] double var_1_3 = 32.75; [L25] double var_1_4 = 128.75; [L26] unsigned char var_1_6 = 32; [L27] unsigned char var_1_7 = 32; [L28] unsigned char var_1_8 = 16; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] signed short int var_1_12 = 10; VAL [isInitial=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_2=13/4, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L45] var_1_3 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L46] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L47] var_1_4 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L48] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L49] var_1_6 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L50] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L51] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L51] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L52] var_1_7 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_7 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L53] RET assume_abort_if_not(var_1_7 >= 32) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L54] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=16, var_1_9=0] [L55] var_1_8 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_9=0] [L56] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=0] [L57] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=0] [L58] var_1_9 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193] [L59] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193] [L60] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L60] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L61] var_1_11 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L62] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L63] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L63] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L76] RET updateVariables() [L77] CALL step() [L36] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L37] COND FALSE !((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) VAL [isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=10, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L40] var_1_12 = var_1_1 VAL [isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=1, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) ? (var_1_1 == ((unsigned char) (((var_1_6 + var_1_7) - var_1_8) + var_1_9))) : 1) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((signed short int) var_1_1)) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=1, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=1, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=-255, var_1_12=1, var_1_1=1, var_1_6=49472, var_1_7=32, var_1_8=-193, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 245 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 135 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 110 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 912/936 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 could not prove your program: unable to determine feasibility of some traces [2024-12-02 10:41:11,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:41:13,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:41:13,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:41:13,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:41:13,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:41:13,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:41:13,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:41:13,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:41:13,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:41:13,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:41:13,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:41:13,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:41:13,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:41:13,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:41:13,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:41:13,509 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:41:13,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:13,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:13,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:41:13,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:41:13,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:41:13,511 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2024-12-02 10:41:13,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:41:13,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:41:13,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:41:13,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:41:13,738 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:41:13,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:16,393 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/706d05092/9d30b7721871441285afa73794a6e2b8/FLAG091d80005 [2024-12-02 10:41:16,583 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:41:16,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:16,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/706d05092/9d30b7721871441285afa73794a6e2b8/FLAG091d80005 [2024-12-02 10:41:16,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/data/706d05092/9d30b7721871441285afa73794a6e2b8 [2024-12-02 10:41:16,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:41:16,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:41:16,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:16,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:41:16,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:41:16,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:16" (1/1) ... [2024-12-02 10:41:16,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528f4155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:16, skipping insertion in model container [2024-12-02 10:41:16,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:41:16" (1/1) ... [2024-12-02 10:41:16,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:41:17,058 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-12-02 10:41:17,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:17,092 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:41:17,100 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_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2024-12-02 10:41:17,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:41:17,123 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:41:17,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17 WrapperNode [2024-12-02 10:41:17,124 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:41:17,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:17,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:41:17,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:41:17,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,153 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-12-02 10:41:17,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:41:17,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:41:17,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:41:17,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:41:17,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,171 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 10:41:17,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:41:17,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:41:17,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:41:17,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:41:17,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (1/1) ... [2024-12-02 10:41:17,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:41:17,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:41:17,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:41:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:41:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:41:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:41:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:41:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:41:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:41:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:41:17,303 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:41:17,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:41:18,016 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 10:41:18,017 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:41:18,024 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:41:18,024 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:41:18,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:18 BoogieIcfgContainer [2024-12-02 10:41:18,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:41:18,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:41:18,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:41:18,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:41:18,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:41:16" (1/3) ... [2024-12-02 10:41:18,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2e9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:18, skipping insertion in model container [2024-12-02 10:41:18,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:41:17" (2/3) ... [2024-12-02 10:41:18,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2e9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:41:18, skipping insertion in model container [2024-12-02 10:41:18,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:18" (3/3) ... [2024-12-02 10:41:18,032 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2024-12-02 10:41:18,048 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:41:18,049 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-99.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:41:18,088 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:41:18,096 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;@682f02f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:41:18,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:41:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 10:41:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:18,108 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:18,109 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:18,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:18,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2024-12-02 10:41:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:41:18,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455153050] [2024-12-02 10:41:18,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:18,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:18,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:41:18,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:41:18,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 10:41:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:18,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 10:41:18,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:41:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-12-02 10:41:18,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:41:18,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:41:18,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455153050] [2024-12-02 10:41:18,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455153050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:18,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:18,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:41:18,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831524050] [2024-12-02 10:41:18,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:18,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 10:41:18,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:41:18,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 10:41:18,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:41:18,372 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:18,391 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2024-12-02 10:41:18,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 10:41:18,393 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-12-02 10:41:18,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:18,397 INFO L225 Difference]: With dead ends: 77 [2024-12-02 10:41:18,397 INFO L226 Difference]: Without dead ends: 38 [2024-12-02 10:41:18,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 10:41:18,401 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:18,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:41:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-12-02 10:41:18,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-12-02 10:41:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-12-02 10:41:18,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2024-12-02 10:41:18,432 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2024-12-02 10:41:18,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:18,433 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-12-02 10:41:18,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:18,433 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-12-02 10:41:18,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:18,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:18,435 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:18,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 10:41:18,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:18,636 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:18,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:18,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2024-12-02 10:41:18,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:41:18,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885573952] [2024-12-02 10:41:18,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:18,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:18,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:41:18,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:41:18,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 10:41:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:18,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 10:41:18,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:41:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 227 proven. 51 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-02 10:41:20,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 10:41:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-02 10:41:21,242 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:41:21,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885573952] [2024-12-02 10:41:21,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885573952] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 10:41:21,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 10:41:21,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 27 [2024-12-02 10:41:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907973750] [2024-12-02 10:41:21,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:21,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 10:41:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:41:21,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 10:41:21,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2024-12-02 10:41:21,245 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 10:41:22,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:22,354 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2024-12-02 10:41:22,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 10:41:22,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2024-12-02 10:41:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:22,357 INFO L225 Difference]: With dead ends: 61 [2024-12-02 10:41:22,357 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 10:41:22,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2024-12-02 10:41:22,358 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 60 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:22,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 212 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 10:41:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 10:41:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2024-12-02 10:41:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 10:41:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-12-02 10:41:22,374 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2024-12-02 10:41:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:22,375 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-12-02 10:41:22,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-12-02 10:41:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-12-02 10:41:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 10:41:22,377 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:41:22,377 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 10:41:22,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 10:41:22,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:22,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:41:22,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:41:22,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2024-12-02 10:41:22,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:41:22,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587914850] [2024-12-02 10:41:22,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:41:22,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:41:22,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 10:41:22,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 10:41:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:41:22,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 10:41:22,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:41:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-02 10:41:29,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:41:29,840 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:41:29,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587914850] [2024-12-02 10:41:29,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587914850] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:41:29,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:41:29,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 10:41:29,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111695907] [2024-12-02 10:41:29,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:41:29,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 10:41:29,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:41:29,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 10:41:29,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 10:41:29,842 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:46,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:41:46,169 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2024-12-02 10:41:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 10:41:46,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-12-02 10:41:46,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:41:46,176 INFO L225 Difference]: With dead ends: 66 [2024-12-02 10:41:46,176 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 10:41:46,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-12-02 10:41:46,177 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 57 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:41:46,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 188 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2024-12-02 10:41:46,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 10:41:46,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 10:41:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 10:41:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 10:41:46,178 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-12-02 10:41:46,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:41:46,178 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 10:41:46,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 10:41:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 10:41:46,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 10:41:46,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:41:46,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 10:41:46,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 10:41:46,383 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 10:41:46,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 10:41:49,646 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:41:49,653 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 10:41:49,654 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 10:41:49,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:41:49 BoogieIcfgContainer [2024-12-02 10:41:49,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:41:49,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:41:49,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:41:49,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:41:49,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:41:18" (3/4) ... [2024-12-02 10:41:49,659 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 10:41:49,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 10:41:49,666 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-02 10:41:49,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 10:41:49,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 10:41:49,667 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 10:41:49,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 10:41:49,740 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 10:41:49,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:41:49,741 INFO L158 Benchmark]: Toolchain (without parser) took 32796.02ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 69.7MB in the beginning and 44.1MB in the end (delta: 25.6MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-12-02 10:41:49,741 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:49,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.22ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:49,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.63ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:49,742 INFO L158 Benchmark]: Boogie Preprocessor took 30.74ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:49,742 INFO L158 Benchmark]: RCFGBuilder took 839.66ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 41.4MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:49,743 INFO L158 Benchmark]: TraceAbstraction took 31630.05ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 40.8MB in the beginning and 49.1MB in the end (delta: -8.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-12-02 10:41:49,743 INFO L158 Benchmark]: Witness Printer took 83.74ms. Allocated memory is still 134.2MB. Free memory was 49.1MB in the beginning and 44.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:41:49,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.22ms. Allocated memory is still 92.3MB. Free memory was 69.5MB in the beginning and 57.2MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.63ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 55.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.74ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.66ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 41.4MB in the end (delta: 12.3MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 31630.05ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 40.8MB in the beginning and 49.1MB in the end (delta: -8.3MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 83.74ms. Allocated memory is still 134.2MB. Free memory was 49.1MB in the beginning and 44.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.3s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 12.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 451 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 361 IncrementalHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 145 mSDtfsCounter, 361 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 339 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 25, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 28 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1197/1248 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((var_1_11 >= 1) && (var_1_11 <= 1)) && (var_1_11 == var_1_10)) || ((((var_1_11 >= 1) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && (var_1_11 == var_1_10))) RESULT: Ultimate proved your program to be correct! [2024-12-02 10:41:49,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0879e326-afd4-49de-8d7e-4f6c1c20a7eb/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 Result: TRUE