./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 22:39:48,142 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 22:39:48,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 22:39:48,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 22:39:48,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 22:39:48,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 22:39:48,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 22:39:48,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 22:39:48,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 22:39:48,242 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 22:39:48,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 22:39:48,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 22:39:48,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 22:39:48,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 22:39:48,243 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 22:39:48,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 22:39:48,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 22:39:48,244 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 22:39:48,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 22:39:48,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:39:48,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 22:39:48,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 22:39:48,246 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
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 -> 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780
[2024-11-06 22:39:48,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 22:39:48,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 22:39:48,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 22:39:48,457 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 22:39:48,457 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 22:39:48,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c
[2024-11-06 22:39:49,556 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 22:39:49,790 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 22:39:49,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c
[2024-11-06 22:39:49,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/331902f18/3f0ee964735943418723f8f3cf89e969/FLAG830948632
[2024-11-06 22:39:50,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/331902f18/3f0ee964735943418723f8f3cf89e969
[2024-11-06 22:39:50,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 22:39:50,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 22:39:50,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 22:39:50,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 22:39:50,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 22:39:50,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87fa123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50, skipping insertion in model container
[2024-11-06 22:39:50,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,150 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 22:39:50,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371]
[2024-11-06 22:39:50,348 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:39:50,358 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 22:39:50,409 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371]
[2024-11-06 22:39:50,410 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 22:39:50,422 INFO L204 MainTranslator]: Completed translation
[2024-11-06 22:39:50,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50 WrapperNode
[2024-11-06 22:39:50,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 22:39:50,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 22:39:50,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 22:39:50,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 22:39:50,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,465 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 457
[2024-11-06 22:39:50,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 22:39:50,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 22:39:50,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 22:39:50,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 22:39:50,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,483 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,508 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [2, 5, 18, 3, 5, 3, 7, 2, 4, 6, 12, 11, 1, 5, 1]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 5, 0, 3, 5, 3, 7, 2, 0, 4, 7, 4, 1, 1, 1]. The 5 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 0, 0, 0].
[2024-11-06 22:39:50,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 22:39:50,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 22:39:50,541 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 22:39:50,541 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 22:39:50,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (1/1) ...
[2024-11-06 22:39:50,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 22:39:50,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 22:39:50,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-06 22:39:50,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-06 22:39:50,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-06 22:39:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-06 22:39:50,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13
[2024-11-06 22:39:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89
[2024-11-06 22:39:50,600 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14
[2024-11-06 22:39:50,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-06 22:39:50,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-06 22:39:50,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9
[2024-11-06 22:39:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95
[2024-11-06 22:39:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 22:39:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero
[2024-11-06 22:39:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero
[2024-11-06 22:39:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 22:39:50,786 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 22:39:50,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 22:39:51,273 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live.
[2024-11-06 22:39:51,274 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 22:39:51,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 22:39:51,286 INFO L316 CfgBuilder]: Removed 7 assume(true) statements.
[2024-11-06 22:39:51,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:51 BoogieIcfgContainer
[2024-11-06 22:39:51,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 22:39:51,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 22:39:51,288 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 22:39:51,292 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 22:39:51,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:50" (1/3) ...
[2024-11-06 22:39:51,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f29f7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:51, skipping insertion in model container
[2024-11-06 22:39:51,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:50" (2/3) ...
[2024-11-06 22:39:51,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f29f7dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:51, skipping insertion in model container
[2024-11-06 22:39:51,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:51" (3/3) ...
[2024-11-06 22:39:51,296 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c
[2024-11-06 22:39:51,307 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 22:39:51,307 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 22:39:51,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 22:39:51,363 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;@c2edeec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 22:39:51,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 22:39:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 93 states have (on average 1.6021505376344085) internal successors, (149), 94 states have internal predecessors, (149), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-06 22:39:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-11-06 22:39:51,375 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 22:39:51,376 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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]
[2024-11-06 22:39:51,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 22:39:51,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 22:39:51,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2004280954, now seen corresponding path program 1 times
[2024-11-06 22:39:51,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 22:39:51,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076843206]
[2024-11-06 22:39:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 22:39:51,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 22:39:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:39:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-06 22:39:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 22:39:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-06 22:39:51,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 22:39:51,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076843206]
[2024-11-06 22:39:51,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076843206] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 22:39:51,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 22:39:51,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 22:39:51,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58738254]
[2024-11-06 22:39:51,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 22:39:51,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 22:39:51,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 22:39:51,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 22:39:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 22:39:51,818 INFO L87 Difference]: Start difference. First operand has 106 states, 93 states have (on average 1.6021505376344085) internal successors, (149), 94 states have internal predecessors, (149), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:39:51,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 22:39:51,871 INFO L93 Difference]: Finished difference Result 205 states and 328 transitions.
[2024-11-06 22:39:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-06 22:39:51,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30
[2024-11-06 22:39:51,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 22:39:51,876 INFO L225 Difference]: With dead ends: 205
[2024-11-06 22:39:51,877 INFO L226 Difference]: Without dead ends: 0
[2024-11-06 22:39:51,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-06 22:39:51,883 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 22:39:51,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 447 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 22:39:51,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 22:39:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 22:39:51,897 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)
[2024-11-06 22:39:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 22:39:51,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2024-11-06 22:39:51,901 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 22:39:51,901 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 22:39:51,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-06 22:39:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 22:39:51,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 22:39:51,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 22:39:51,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 22:39:51,907 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-06 22:39:51,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 22:39:51,933 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 22:39:51,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:51 BoogieIcfgContainer
[2024-11-06 22:39:51,950 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 22:39:51,951 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 22:39:51,951 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 22:39:51,951 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 22:39:51,952 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:51" (3/4) ...
[2024-11-06 22:39:51,953 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-06 22:39:51,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89
[2024-11-06 22:39:51,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero
[2024-11-06 22:39:51,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95
[2024-11-06 22:39:51,969 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges
[2024-11-06 22:39:51,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2024-11-06 22:39:51,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-11-06 22:39:51,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-06 22:39:51,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 22:39:51,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 22:39:52,058 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 22:39:52,058 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 22:39:52,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 22:39:52,059 INFO L158 Benchmark]: Toolchain (without parser) took 1934.69ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 36.8MB in the end (delta: 46.9MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,059 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:39:52,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.66ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 65.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 22:39:52,060 INFO L158 Benchmark]: Boogie Preprocessor took 74.15ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 56.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,061 INFO L158 Benchmark]: RCFGBuilder took 745.62ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 80.6kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,062 INFO L158 Benchmark]: TraceAbstraction took 662.28ms. Allocated memory is still 109.1MB. Free memory was 55.9MB in the beginning and 46.5MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,062 INFO L158 Benchmark]: Witness Printer took 107.61ms. Allocated memory is still 109.1MB. Free memory was 46.5MB in the beginning and 36.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 22:39:52,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 297.66ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 65.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.16ms. Allocated memory is still 109.1MB. Free memory was 65.9MB in the beginning and 62.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 74.15ms. Allocated memory is still 109.1MB. Free memory was 62.6MB in the beginning and 56.4MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 745.62ms. Allocated memory is still 109.1MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: 80.6kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 662.28ms. Allocated memory is still 109.1MB. Free memory was 55.9MB in the beginning and 46.5MB in the end (delta: 9.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Witness Printer took 107.61ms. Allocated memory is still 109.1MB. Free memory was 46.5MB in the beginning and 36.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. 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
- PositiveResult [Line: 463]: 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 4 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 297 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 150 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 406]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 308]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 270]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 352]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 358]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 226]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 376]: Loop Invariant
Derived loop invariant: 1
- ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89
Derived contract for procedure Id_MCDC_89. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114)))
- ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero
Derived contract for procedure avoid_zero. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114)))
- ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95
Derived contract for procedure Id_MCDC_95. Ensures: (((((((((((Id_MCDC_104 == \old(Id_MCDC_104)) && (Id_MCDC_105 == \old(Id_MCDC_105))) && (Id_MCDC_106 == \old(Id_MCDC_106))) && (Id_MCDC_107 == \old(Id_MCDC_107))) && (Id_MCDC_108 == \old(Id_MCDC_108))) && (Id_MCDC_109 == \old(Id_MCDC_109))) && (Id_MCDC_110 == \old(Id_MCDC_110))) && (Id_MCDC_111 == \old(Id_MCDC_111))) && (Id_MCDC_112 == \old(Id_MCDC_112))) && (Id_MCDC_113 == \old(Id_MCDC_113))) && (Id_MCDC_114 == \old(Id_MCDC_114)))
RESULT: Ultimate proved your program to be correct!
[2024-11-06 22:39:52,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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