./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ifeqn5f.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/array-fpi/ifeqn5f.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', 'd9c2b19f3a128133e19f35c8975782eb43c272b0098e2b2d8b7a4c4d9315a632']
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/array-fpi/ifeqn5f.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 d9c2b19f3a128133e19f35c8975782eb43c272b0098e2b2d8b7a4c4d9315a632
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 18:41:32,571 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 18:41:32,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 18:41:32,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 18:41:32,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 18:41:32,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 18:41:32,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 18:41:32,688 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 18:41:32,688 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 18:41:32,688 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 18:41:32,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 18:41:32,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 18:41:32,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 18:41:32,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 18:41:32,689 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 18:41:32,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 18:41:32,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 18:41:32,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 18:41:32,691 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 18:41:32,691 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 18:41:32,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 18:41:32,691 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 18:41:32,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 18:41:32,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 18:41:32,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 18:41:32,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 18:41:32,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 18:41:32,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 18:41:32,693 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 18:41:32,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 18:41:32,694 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 -> d9c2b19f3a128133e19f35c8975782eb43c272b0098e2b2d8b7a4c4d9315a632
[2024-11-06 18:41:32,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 18:41:32,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 18:41:32,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 18:41:32,973 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 18:41:32,973 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 18:41:32,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ifeqn5f.c
[2024-11-06 18:41:34,279 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 18:41:34,518 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 18:41:34,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-fpi/ifeqn5f.c
[2024-11-06 18:41:34,528 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/414bcd3e2/51793f6d25c743e3bc0c3fce2392e726/FLAG165ea2198
[2024-11-06 18:41:34,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/414bcd3e2/51793f6d25c743e3bc0c3fce2392e726
[2024-11-06 18:41:34,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 18:41:34,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 18:41:34,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 18:41:34,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 18:41:34,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 18:41:34,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e82bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34, skipping insertion in model container
[2024-11-06 18:41:34,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,576 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 18:41:34,697 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/array-fpi/ifeqn5f.c[590,603]
[2024-11-06 18:41:34,718 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 18:41:34,727 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 18:41:34,735 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/array-fpi/ifeqn5f.c[590,603]
[2024-11-06 18:41:34,744 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 18:41:34,759 INFO L204 MainTranslator]: Completed translation
[2024-11-06 18:41:34,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34 WrapperNode
[2024-11-06 18:41:34,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 18:41:34,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 18:41:34,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 18:41:34,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 18:41:34,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,788 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74
[2024-11-06 18:41:34,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 18:41:34,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 18:41:34,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 18:41:34,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 18:41:34,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,797 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,808 INFO L175 MemorySlicer]: Split 10 memory accesses to 3 slices as follows [2, 4, 4]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 2, 2].
[2024-11-06 18:41:34,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 18:41:34,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 18:41:34,821 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 18:41:34,821 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 18:41:34,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (1/1) ...
[2024-11-06 18:41:34,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 18:41:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 18:41:34,846 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 18:41:34,848 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 18:41:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 18:41:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 18:41:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-06 18:41:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-06 18:41:34,942 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 18:41:34,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 18:41:35,070 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-06 18:41:35,070 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 18:41:35,076 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 18:41:35,077 INFO L316 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-06 18:41:35,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:41:35 BoogieIcfgContainer
[2024-11-06 18:41:35,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 18:41:35,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 18:41:35,079 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 18:41:35,083 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 18:41:35,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:41:34" (1/3) ...
[2024-11-06 18:41:35,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a52e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:41:35, skipping insertion in model container
[2024-11-06 18:41:35,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:41:34" (2/3) ...
[2024-11-06 18:41:35,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c8a52e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:41:35, skipping insertion in model container
[2024-11-06 18:41:35,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:41:35" (3/3) ...
[2024-11-06 18:41:35,086 INFO L112 eAbstractionObserver]: Analyzing ICFG ifeqn5f.c
[2024-11-06 18:41:35,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 18:41:35,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 18:41:35,148 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 18:41:35,159 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;@66272923, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 18:41:35,160 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 18:41:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 18:41:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 18:41:35,170 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 18:41:35,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:41:35,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:41:35,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:41:35,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1670316217, now seen corresponding path program 1 times
[2024-11-06 18:41:35,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:41:35,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649086047]
[2024-11-06 18:41:35,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:41:35,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:41:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 18:41:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 18:41:35,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 18:41:35,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649086047]
[2024-11-06 18:41:35,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649086047] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 18:41:35,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 18:41:35,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 18:41:35,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213998848]
[2024-11-06 18:41:35,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 18:41:35,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 18:41:35,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 18:41:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 18:41:35,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 18:41:35,325 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 18:41:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 18:41:35,334 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions.
[2024-11-06 18:41:35,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 18:41:35,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) Word has length 12
[2024-11-06 18:41:35,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 18:41:35,340 INFO L225 Difference]: With dead ends: 42
[2024-11-06 18:41:35,340 INFO L226 Difference]: Without dead ends: 19
[2024-11-06 18:41:35,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 18:41:35,344 INFO L432 NwaCegarLoop]: 28 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, 28 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
[2024-11-06 18:41:35,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 18:41:35,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-06 18:41:35,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-06 18:41:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 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 18:41:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions.
[2024-11-06 18:41:35,368 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 12
[2024-11-06 18:41:35,368 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 18:41:35,368 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions.
[2024-11-06 18:41:35,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 18:41:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions.
[2024-11-06 18:41:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 18:41:35,368 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 18:41:35,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:41:35,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 18:41:35,369 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:41:35,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:41:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1000416578, now seen corresponding path program 1 times
[2024-11-06 18:41:35,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:41:35,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669001199]
[2024-11-06 18:41:35,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:41:35,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:41:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 18:41:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-06 18:41:35,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 18:41:35,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669001199]
[2024-11-06 18:41:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669001199] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 18:41:35,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 18:41:35,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 18:41:35,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576481893]
[2024-11-06 18:41:35,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 18:41:35,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-06 18:41:35,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 18:41:35,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-06 18:41:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-06 18:41:35,525 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 18:41:35,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 18:41:35,599 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions.
[2024-11-06 18:41:35,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-06 18:41:35,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12
[2024-11-06 18:41:35,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 18:41:35,600 INFO L225 Difference]: With dead ends: 45
[2024-11-06 18:41:35,600 INFO L226 Difference]: Without dead ends: 31
[2024-11-06 18:41:35,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-06 18:41:35,601 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 18:41:35,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 17 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 18:41:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-06 18:41:35,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 23.
[2024-11-06 18:41:35,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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 18:41:35,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions.
[2024-11-06 18:41:35,606 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12
[2024-11-06 18:41:35,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 18:41:35,606 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions.
[2024-11-06 18:41:35,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 18:41:35,607 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions.
[2024-11-06 18:41:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 18:41:35,608 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 18:41:35,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 18:41:35,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 18:41:35,608 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 18:41:35,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 18:41:35,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1992201947, now seen corresponding path program 1 times
[2024-11-06 18:41:35,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 18:41:35,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654854255]
[2024-11-06 18:41:35,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:41:35,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 18:41:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-06 18:41:35,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1332830478]
[2024-11-06 18:41:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 18:41:35,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 18:41:35,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 18:41:35,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-06 18:41:35,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-06 18:41:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 18:41:35,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 18:41:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 18:41:35,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 18:41:35,796 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 18:41:35,797 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 18:41:35,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-06 18:41:35,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-06 18:41:36,001 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-06 18:41:36,022 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 18:41:36,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:41:36 BoogieIcfgContainer
[2024-11-06 18:41:36,025 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 18:41:36,026 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 18:41:36,026 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 18:41:36,026 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 18:41:36,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:41:35" (3/4) ...
[2024-11-06 18:41:36,027 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-06 18:41:36,057 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 18:41:36,058 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 18:41:36,058 INFO L158 Benchmark]: Toolchain (without parser) took 1506.59ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 71.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB.
[2024-11-06 18:41:36,059 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:41:36,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:41:36,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.17ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:41:36,059 INFO L158 Benchmark]: Boogie Preprocessor took 31.31ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:41:36,060 INFO L158 Benchmark]: RCFGBuilder took 255.93ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 66.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:41:36,060 INFO L158 Benchmark]: TraceAbstraction took 946.61ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 74.5MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 18:41:36,060 INFO L158 Benchmark]: Witness Printer took 31.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 18:41:36,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 206.91ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 80.6MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 27.17ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.31ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 255.93ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 66.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 946.61ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 74.5MB in the end (delta: -8.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 31.89ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 71.7MB in the end (delta: 2.8MB). 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
- CounterExampleResult [Line: 15]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L19] int N;
VAL [N=0]
[L23] N = __VERIFIER_nondet_int()
[L24] COND FALSE !(N <= 0)
[L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int))
[L13] COND FALSE !(!cond)
VAL [N=1]
[L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int))
[L27] int i;
[L28] long long *a = malloc(sizeof(long long)*N);
[L29] long long *b = malloc(sizeof(long long)*N);
[L31] i=0
VAL [N=1, a={-2:0}, b={-1:0}, i=0]
[L31] COND TRUE i<N
VAL [N=1, a={-2:0}, b={-1:0}, i=0]
[L33] COND TRUE i==0
[L34] a[0] = 10
VAL [N=1]
[L31] i++
VAL [N=1, a={-2:0}, b={-1:0}, i=1]
[L31] COND FALSE !(i<N)
VAL [N=1, a={-2:0}, b={-1:0}]
[L40] i=0
VAL [N=1, a={-2:0}, b={-1:0}, i=0]
[L40] COND TRUE i<N
VAL [N=1, a={-2:0}, b={-1:0}, i=0]
[L42] COND TRUE i==0
[L43] b[0] = 1
VAL [N=1]
[L40] i++
VAL [N=1, a={-2:0}, b={-1:0}, i=1]
[L40] COND FALSE !(i<N)
VAL [N=1, a={-2:0}, b={-1:0}]
[L49] i=0
VAL [N=1, a={-2:0}, b={-1:0}, i=0]
[L49] COND TRUE i<N
[L51] EXPR b[i]
[L51] CALL __VERIFIER_assert(b[i] == 5*i*i + 5*i + 5)
[L15] COND TRUE !(cond)
VAL [N=1]
[L15] reach_error()
VAL [N=1]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 40 mSDtfsCounter, 24 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=23occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-06 18:41:36,087 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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE