./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i --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/combinations/gcd_1+newton_1_3.i', '-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', '10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f']
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/combinations/gcd_1+newton_1_3.i -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 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 01:11:37,850 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 01:11:37,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 01:11:37,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 01:11:37,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 01:11:37,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 01:11:37,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 01:11:37,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 01:11:37,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 01:11:37,968 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 01:11:37,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 01:11:37,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 01:11:37,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 01:11:37,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 01:11:37,970 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 01:11:37,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 01:11:37,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 01:11:37,970 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 01:11:37,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 01:11:37,970 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 01:11:37,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 01:11:37,972 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 01:11:37,972 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 01:11:37,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 01:11:37,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 01:11:37,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 01:11:37,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 01:11:37,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 01:11:37,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 01:11:37,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 01:11:37,973 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 01:11:37,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 01:11:37,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 01:11:37,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 01:11:37,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 01:11:37,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 01:11:37,974 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 -> 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f
[2024-11-07 01:11:38,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 01:11:38,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 01:11:38,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 01:11:38,289 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 01:11:38,289 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 01:11:38,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i
[2024-11-07 01:11:39,550 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 01:11:39,817 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 01:11:39,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i
[2024-11-07 01:11:39,827 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66f5b6e79/601b852be64e426c869862830855e9c0/FLAG6270b6954
[2024-11-07 01:11:39,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/66f5b6e79/601b852be64e426c869862830855e9c0
[2024-11-07 01:11:39,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 01:11:39,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 01:11:39,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 01:11:39,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 01:11:39,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 01:11:39,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:11:39" (1/1) ...
[2024-11-07 01:11:39,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6c4810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:39, skipping insertion in model container
[2024-11-07 01:11:39,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:11:39" (1/1) ...
[2024-11-07 01:11:39,872 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 01:11:40,016 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/combinations/gcd_1+newton_1_3.i[1226,1239]
[2024-11-07 01:11:40,055 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/combinations/gcd_1+newton_1_3.i[2786,2799]
[2024-11-07 01:11:40,057 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 01:11:40,069 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 01:11:40,082 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/combinations/gcd_1+newton_1_3.i[1226,1239]
[2024-11-07 01:11:40,098 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/combinations/gcd_1+newton_1_3.i[2786,2799]
[2024-11-07 01:11:40,103 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 01:11:40,120 INFO L204 MainTranslator]: Completed translation
[2024-11-07 01:11:40,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40 WrapperNode
[2024-11-07 01:11:40,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 01:11:40,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 01:11:40,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 01:11:40,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 01:11:40,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,164 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 87
[2024-11-07 01:11:40,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 01:11:40,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 01:11:40,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 01:11:40,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 01:11:40,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,176 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,185 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-11-07 01:11:40,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 01:11:40,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 01:11:40,202 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 01:11:40,202 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 01:11:40,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (1/1) ...
[2024-11-07 01:11:40,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 01:11:40,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 01:11:40,235 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)
[2024-11-07 01:11:40,240 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
[2024-11-07 01:11:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 01:11:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 01:11:40,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 01:11:40,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 01:11:40,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 01:11:40,313 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 01:11:40,315 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 01:11:40,460 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live.
[2024-11-07 01:11:40,461 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 01:11:40,469 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 01:11:40,469 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 01:11:40,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:11:40 BoogieIcfgContainer
[2024-11-07 01:11:40,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 01:11:40,473 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 01:11:40,473 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 01:11:40,478 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 01:11:40,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:11:39" (1/3) ...
[2024-11-07 01:11:40,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba9bc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:11:40, skipping insertion in model container
[2024-11-07 01:11:40,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:40" (2/3) ...
[2024-11-07 01:11:40,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba9bc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:11:40, skipping insertion in model container
[2024-11-07 01:11:40,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:11:40" (3/3) ...
[2024-11-07 01:11:40,480 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_3.i
[2024-11-07 01:11:40,494 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 01:11:40,495 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 01:11:40,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 01:11:40,561 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;@300e3a9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 01:11:40,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 01:11:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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)
[2024-11-07 01:11:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 01:11:40,572 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 01:11:40,572 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 01:11:40,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 01:11:40,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 01:11:40,578 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times
[2024-11-07 01:11:40,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 01:11:40,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314938541]
[2024-11-07 01:11:40,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 01:11:40,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 01:11:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 01:11:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 01:11:40,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 01:11:40,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314938541]
[2024-11-07 01:11:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314938541] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 01:11:40,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 01:11:40,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 01:11:40,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115743079]
[2024-11-07 01:11:40,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 01:11:40,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 01:11:40,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 01:11:40,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 01:11:40,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 01:11:40,776 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2024-11-07 01:11:40,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 01:11:40,787 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions.
[2024-11-07 01:11:40,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 01:11:40,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2024-11-07 01:11:40,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 01:11:40,796 INFO L225 Difference]: With dead ends: 46
[2024-11-07 01:11:40,797 INFO L226 Difference]: Without dead ends: 19
[2024-11-07 01:11:40,800 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
[2024-11-07 01:11:40,803 INFO L432 NwaCegarLoop]: 31 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, 31 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
[2024-11-07 01:11:40,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 01:11:40,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-07 01:11:40,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-07 01:11:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 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)
[2024-11-07 01:11:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-07 01:11:40,835 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2024-11-07 01:11:40,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 01:11:40,836 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-07 01:11:40,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2024-11-07 01:11:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-07 01:11:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 01:11:40,836 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 01:11:40,836 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 01:11:40,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 01:11:40,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 01:11:40,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 01:11:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times
[2024-11-07 01:11:40,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 01:11:40,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080048439]
[2024-11-07 01:11:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 01:11:40,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 01:11:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 01:11:40,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 01:11:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 01:11:40,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 01:11:40,898 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-07 01:11:40,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-11-07 01:11:40,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2024-11-07 01:11:40,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 01:11:40,906 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-07 01:11:40,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 01:11:40,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:11:40 BoogieIcfgContainer
[2024-11-07 01:11:40,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 01:11:40,922 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 01:11:40,922 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-07 01:11:40,922 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-07 01:11:40,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:11:40" (3/4) ...
[2024-11-07 01:11:40,925 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-07 01:11:40,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 01:11:40,927 INFO L158 Benchmark]: Toolchain (without parser) took 1075.50ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 67.0MB in the end (delta: 10.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB.
[2024-11-07 01:11:40,928 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 01:11:40,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.14ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 65.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 01:11:40,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.81ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 01:11:40,929 INFO L158 Benchmark]: Boogie Preprocessor took 35.99ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 01:11:40,929 INFO L158 Benchmark]: RCFGBuilder took 267.93ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 50.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 01:11:40,930 INFO L158 Benchmark]: TraceAbstraction took 448.24ms. Allocated memory is still 100.7MB. Free memory was 49.7MB in the beginning and 67.5MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 01:11:40,931 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.0MB in the end (delta: 452.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 01:11:40,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 269.14ms. Allocated memory is still 100.7MB. Free memory was 77.3MB in the beginning and 65.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.81ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 63.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.99ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 62.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 267.93ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 50.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 448.24ms. Allocated memory is still 100.7MB. Free memory was 49.7MB in the beginning and 67.5MB in the end (delta: -17.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.87ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 67.0MB in the end (delta: 452.4kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 102]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 93.
Possible FailurePath:
[L108] COND FALSE !(__VERIFIER_nondet_int())
[L111] CALL main2()
[L90] float IN = __VERIFIER_nondet_float();
[L91] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f)
[L75] COND FALSE !(!cond)
[L91] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f)
[L93] CALL, EXPR f(IN)
[L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
[L93] RET, EXPR f(IN)
[L93] CALL, EXPR fp(IN)
[L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
[L93] RET, EXPR fp(IN)
[L93] float x = IN - f(IN)/fp(IN);
[L101] COND TRUE !(x < 0.1)
[L102] reach_error()
- UnprovableResult [Line: 27]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, 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, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces
[2024-11-07 01:11:40,954 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
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
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/combinations/gcd_1+newton_1_3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 01:11:43,132 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 01:11:43,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-07 01:11:43,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 01:11:43,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 01:11:43,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 01:11:43,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 01:11:43,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 01:11:43,263 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 01:11:43,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 01:11:43,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 01:11:43,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-07 01:11:43,264 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-07 01:11:43,265 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 01:11:43,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 01:11:43,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 01:11:43,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 01:11:43,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 01:11:43,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 01:11:43,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 01:11:43,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 01:11:43,269 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 -> 10b9103f92ac8753860b3b630670be102e95d8a13496ab2027773256e0097c4f
[2024-11-07 01:11:43,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 01:11:43,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 01:11:43,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 01:11:43,579 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 01:11:43,579 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 01:11:43,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/combinations/gcd_1+newton_1_3.i
[2024-11-07 01:11:44,967 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 01:11:45,199 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 01:11:45,200 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/combinations/gcd_1+newton_1_3.i
[2024-11-07 01:11:45,209 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38e9bce92/3a83084109034e8aba100f2afc65b2c8/FLAG542d03102
[2024-11-07 01:11:45,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/38e9bce92/3a83084109034e8aba100f2afc65b2c8
[2024-11-07 01:11:45,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 01:11:45,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 01:11:45,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 01:11:45,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 01:11:45,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 01:11:45,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49eee20c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45, skipping insertion in model container
[2024-11-07 01:11:45,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,555 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 01:11:45,698 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/combinations/gcd_1+newton_1_3.i[1226,1239]
[2024-11-07 01:11:45,733 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/combinations/gcd_1+newton_1_3.i[2786,2799]
[2024-11-07 01:11:45,734 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 01:11:45,748 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 01:11:45,760 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/combinations/gcd_1+newton_1_3.i[1226,1239]
[2024-11-07 01:11:45,779 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/combinations/gcd_1+newton_1_3.i[2786,2799]
[2024-11-07 01:11:45,781 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 01:11:45,803 INFO L204 MainTranslator]: Completed translation
[2024-11-07 01:11:45,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45 WrapperNode
[2024-11-07 01:11:45,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 01:11:45,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 01:11:45,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 01:11:45,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 01:11:45,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,851 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 82
[2024-11-07 01:11:45,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 01:11:45,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 01:11:45,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 01:11:45,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 01:11:45,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,883 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2024-11-07 01:11:45,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,897 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 01:11:45,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 01:11:45,905 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 01:11:45,905 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 01:11:45,906 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (1/1) ...
[2024-11-07 01:11:45,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 01:11:45,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 01:11:45,935 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)
[2024-11-07 01:11:45,937 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
[2024-11-07 01:11:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 01:11:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 01:11:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 01:11:45,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 01:11:45,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 01:11:46,034 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 01:11:46,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 01:11:56,128 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live.
[2024-11-07 01:11:56,128 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 01:11:56,136 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 01:11:56,136 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 01:11:56,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:11:56 BoogieIcfgContainer
[2024-11-07 01:11:56,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 01:11:56,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 01:11:56,139 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 01:11:56,144 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 01:11:56,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:11:45" (1/3) ...
[2024-11-07 01:11:56,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78195bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:11:56, skipping insertion in model container
[2024-11-07 01:11:56,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:11:45" (2/3) ...
[2024-11-07 01:11:56,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78195bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:11:56, skipping insertion in model container
[2024-11-07 01:11:56,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:11:56" (3/3) ...
[2024-11-07 01:11:56,146 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd_1+newton_1_3.i
[2024-11-07 01:11:56,160 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 01:11:56,161 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 01:11:56,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 01:11:56,226 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;@436e1854, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 01:11:56,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 01:11:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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)
[2024-11-07 01:11:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 01:11:56,238 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 01:11:56,239 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 01:11:56,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 01:11:56,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 01:11:56,244 INFO L85 PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times
[2024-11-07 01:11:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 01:11:56,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1610380125]
[2024-11-07 01:11:56,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 01:11:56,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 01:11:56,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 01:11:56,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 01:11:56,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 01:11:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 01:11:57,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 01:11:57,218 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 01:11:57,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 01:11:57,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 01:11:57,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 01:11:57,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1610380125]
[2024-11-07 01:11:57,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1610380125] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 01:11:57,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 01:11:57,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 01:11:57,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555756697]
[2024-11-07 01:11:57,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 01:11:57,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 01:11:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 01:11:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 01:11:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 01:11:57,266 INFO L87 Difference]: Start difference. First operand has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2024-11-07 01:11:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 01:11:57,277 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions.
[2024-11-07 01:11:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-07 01:11:57,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2024-11-07 01:11:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 01:11:57,284 INFO L225 Difference]: With dead ends: 46
[2024-11-07 01:11:57,285 INFO L226 Difference]: Without dead ends: 19
[2024-11-07 01:11:57,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 01:11:57,291 INFO L432 NwaCegarLoop]: 31 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, 31 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
[2024-11-07 01:11:57,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 01:11:57,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-07 01:11:57,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-07 01:11:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 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)
[2024-11-07 01:11:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-07 01:11:57,319 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2024-11-07 01:11:57,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 01:11:57,320 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-07 01:11:57,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2024-11-07 01:11:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-07 01:11:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-07 01:11:57,320 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 01:11:57,320 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 01:11:57,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-07 01:11:57,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 01:11:57,524 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 01:11:57,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 01:11:57,525 INFO L85 PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times
[2024-11-07 01:11:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 01:11:57,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2081726775]
[2024-11-07 01:11:57,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 01:11:57,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 01:11:57,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 01:11:57,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 01:11:57,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process