./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.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', '31ed4c1d4c56093916e3e6078a050f9b467d4295a9560366c0e4e3c015413196']
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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.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 31ed4c1d4c56093916e3e6078a050f9b467d4295a9560366c0e4e3c015413196
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 07:50:12,360 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 07:50:12,450 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 07:50:12,458 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 07:50:12,459 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 07:50:12,488 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 07:50:12,490 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 07:50:12,490 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 07:50:12,491 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 07:50:12,491 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 07:50:12,491 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 07:50:12,491 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 07:50:12,492 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 07:50:12,492 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 07:50:12,492 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 07:50:12,492 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 07:50:12,493 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 07:50:12,493 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 07:50:12,493 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 07:50:12,493 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 07:50:12,494 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 07:50:12,494 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 07:50:12,494 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 07:50:12,495 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 07:50:12,495 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 -> 31ed4c1d4c56093916e3e6078a050f9b467d4295a9560366c0e4e3c015413196
[2024-11-07 07:50:12,824 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 07:50:12,832 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 07:50:12,834 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 07:50:12,836 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 07:50:12,836 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 07:50:12,838 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i
[2024-11-07 07:50:14,195 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 07:50:14,404 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 07:50:14,405 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i
[2024-11-07 07:50:14,411 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e6a99d819/0b334b7250714ca0b5b7b840f02654aa/FLAGfdf381412
[2024-11-07 07:50:14,436 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e6a99d819/0b334b7250714ca0b5b7b840f02654aa
[2024-11-07 07:50:14,439 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 07:50:14,440 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 07:50:14,441 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 07:50:14,441 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 07:50:14,445 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 07:50:14,446 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,446 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305482cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14, skipping insertion in model container
[2024-11-07 07:50:14,447 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,465 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 07:50:14,593 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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i[916,929]
[2024-11-07 07:50:14,642 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 07:50:14,652 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 07:50:14,663 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/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-63.i[916,929]
[2024-11-07 07:50:14,682 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 07:50:14,696 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 07:50:14,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14 WrapperNode
[2024-11-07 07:50:14,697 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 07:50:14,698 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 07:50:14,698 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 07:50:14,698 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 07:50:14,704 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,710 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,736 INFO  L138                Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130
[2024-11-07 07:50:14,737 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 07:50:14,737 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 07:50:14,737 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 07:50:14,737 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 07:50:14,747 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,747 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,754 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,772 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 07:50:14,775 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,776 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,783 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,791 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,793 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,797 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,803 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 07:50:14,804 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 07:50:14,804 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 07:50:14,804 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 07:50:14,805 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (1/1) ...
[2024-11-07 07:50:14,815 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 07:50:14,828 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 07:50:14,842 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 07:50:14,846 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 07:50:14,869 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 07:50:14,869 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 07:50:14,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 07:50:14,869 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 07:50:14,869 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 07:50:14,869 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 07:50:14,953 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 07:50:14,955 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 07:50:15,182 INFO  L?                        ?]: Removed 10 outVars from TransFormulas that were not future-live.
[2024-11-07 07:50:15,182 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 07:50:15,193 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 07:50:15,193 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 07:50:15,194 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:50:15 BoogieIcfgContainer
[2024-11-07 07:50:15,194 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 07:50:15,195 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 07:50:15,196 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 07:50:15,200 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 07:50:15,200 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:50:14" (1/3) ...
[2024-11-07 07:50:15,200 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a9ff91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:50:15, skipping insertion in model container
[2024-11-07 07:50:15,201 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:50:14" (2/3) ...
[2024-11-07 07:50:15,201 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a9ff91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:50:15, skipping insertion in model container
[2024-11-07 07:50:15,202 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:50:15" (3/3) ...
[2024-11-07 07:50:15,203 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-63.i
[2024-11-07 07:50:15,216 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 07:50:15,216 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 07:50:15,266 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 07:50:15,276 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;@4c69b1bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 07:50:15,276 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 07:50:15,281 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 07:50:15,291 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-11-07 07:50:15,291 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 07:50:15,292 INFO  L215           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 07:50:15,292 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 07:50:15,296 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 07:50:15,297 INFO  L85        PathProgramCache]: Analyzing trace with hash 83983945, now seen corresponding path program 1 times
[2024-11-07 07:50:15,303 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 07:50:15,304 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712204122]
[2024-11-07 07:50:15,304 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 07:50:15,304 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 07:50:15,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,542 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 07:50:15,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,555 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 07:50:15,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,564 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 07:50:15,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,569 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 07:50:15,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,577 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-07 07:50:15,579 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,582 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 07:50:15,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,586 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-07 07:50:15,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,590 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 07:50:15,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,595 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-07 07:50:15,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,598 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 07:50:15,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,602 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-07 07:50:15,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,605 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 07:50:15,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,609 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-07 07:50:15,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,613 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-07 07:50:15,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,617 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-07 07:50:15,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,621 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-07 07:50:15,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,625 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-07 07:50:15,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,628 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-07 07:50:15,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,632 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-07 07:50:15,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,635 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-07 07:50:15,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,642 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-07 07:50:15,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,647 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-07 07:50:15,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:15,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-07 07:50:15,657 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 07:50:15,657 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712204122]
[2024-11-07 07:50:15,658 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712204122] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 07:50:15,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 07:50:15,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 07:50:15,660 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615581389]
[2024-11-07 07:50:15,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 07:50:15,663 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 07:50:15,663 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 07:50:15,684 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 07:50:15,685 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 07:50:15,687 INFO  L87              Difference]: Start difference. First operand  has 56 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 32 states have internal predecessors, (39), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:15,716 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 07:50:15,716 INFO  L93              Difference]: Finished difference Result 105 states and 182 transitions.
[2024-11-07 07:50:15,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 07:50:15,719 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134
[2024-11-07 07:50:15,719 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 07:50:15,725 INFO  L225             Difference]: With dead ends: 105
[2024-11-07 07:50:15,725 INFO  L226             Difference]: Without dead ends: 52
[2024-11-07 07:50:15,728 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 07:50:15,733 INFO  L432           NwaCegarLoop]: 76 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, 76 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 07:50:15,734 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 07:50:15,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-07 07:50:15,776 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-07 07:50:15,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 07:50:15,785 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions.
[2024-11-07 07:50:15,787 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 134
[2024-11-07 07:50:15,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 07:50:15,788 INFO  L471      AbstractCegarLoop]: Abstraction has 52 states and 76 transitions.
[2024-11-07 07:50:15,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:15,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions.
[2024-11-07 07:50:15,793 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-11-07 07:50:15,794 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 07:50:15,794 INFO  L215           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 07:50:15,794 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 07:50:15,794 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 07:50:15,795 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 07:50:15,795 INFO  L85        PathProgramCache]: Analyzing trace with hash -459924215, now seen corresponding path program 1 times
[2024-11-07 07:50:15,795 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 07:50:15,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386830420]
[2024-11-07 07:50:15,796 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 07:50:15,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 07:50:15,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,378 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 07:50:16,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,386 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 07:50:16,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,393 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 07:50:16,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,401 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 07:50:16,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-07 07:50:16,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,414 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 07:50:16,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,422 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-07 07:50:16,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,433 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 07:50:16,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-07 07:50:16,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,453 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 07:50:16,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,461 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-07 07:50:16,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,470 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 07:50:16,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,479 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-07 07:50:16,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,484 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-07 07:50:16,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,491 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-07 07:50:16,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,498 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-07 07:50:16,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,505 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-07 07:50:16,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,510 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-07 07:50:16,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,520 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-07 07:50:16,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,527 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-07 07:50:16,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,532 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-07 07:50:16,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,536 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-07 07:50:16,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:16,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-07 07:50:16,544 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 07:50:16,544 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386830420]
[2024-11-07 07:50:16,544 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386830420] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 07:50:16,544 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 07:50:16,544 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-07 07:50:16,544 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844730519]
[2024-11-07 07:50:16,545 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 07:50:16,546 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-07 07:50:16,547 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 07:50:16,548 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-07 07:50:16,548 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-07 07:50:16,549 INFO  L87              Difference]: Start difference. First operand 52 states and 76 transitions. Second operand  has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:16,949 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 07:50:16,951 INFO  L93              Difference]: Finished difference Result 105 states and 152 transitions.
[2024-11-07 07:50:16,952 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 07:50:16,953 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134
[2024-11-07 07:50:16,955 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 07:50:16,957 INFO  L225             Difference]: With dead ends: 105
[2024-11-07 07:50:16,957 INFO  L226             Difference]: Without dead ends: 56
[2024-11-07 07:50:16,958 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-07 07:50:16,961 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 95 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 07:50:16,961 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 104 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 07:50:16,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-07 07:50:16,980 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-07 07:50:16,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 states have internal predecessors, (34), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 07:50:16,982 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions.
[2024-11-07 07:50:16,982 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 134
[2024-11-07 07:50:16,986 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 07:50:16,986 INFO  L471      AbstractCegarLoop]: Abstraction has 56 states and 78 transitions.
[2024-11-07 07:50:16,986 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:16,986 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions.
[2024-11-07 07:50:16,987 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-11-07 07:50:16,987 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 07:50:16,988 INFO  L215           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 07:50:16,988 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 07:50:16,988 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 07:50:16,988 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 07:50:16,988 INFO  L85        PathProgramCache]: Analyzing trace with hash -402665913, now seen corresponding path program 1 times
[2024-11-07 07:50:16,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 07:50:16,989 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117006707]
[2024-11-07 07:50:16,989 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 07:50:16,989 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 07:50:17,102 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,439 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 07:50:25,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 07:50:25,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,449 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 07:50:25,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,452 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 07:50:25,453 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,455 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-07 07:50:25,456 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,459 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 07:50:25,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,463 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-07 07:50:25,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,465 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 07:50:25,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,469 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-07 07:50:25,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,475 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 07:50:25,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,478 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-07 07:50:25,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,482 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 07:50:25,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,485 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-07 07:50:25,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,488 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-07 07:50:25,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,493 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-07 07:50:25,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,498 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-07 07:50:25,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,501 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-07 07:50:25,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,507 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-07 07:50:25,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,512 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-07 07:50:25,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,515 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-07 07:50:25,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,522 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-07 07:50:25,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,526 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-07 07:50:25,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:25,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-07 07:50:25,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 07:50:25,534 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117006707]
[2024-11-07 07:50:25,534 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117006707] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 07:50:25,534 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 07:50:25,534 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-07 07:50:25,534 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133199058]
[2024-11-07 07:50:25,534 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 07:50:25,535 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-07 07:50:25,535 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 07:50:25,535 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-07 07:50:25,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-11-07 07:50:25,537 INFO  L87              Difference]: Start difference. First operand 56 states and 78 transitions. Second operand  has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:27,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 07:50:27,045 INFO  L93              Difference]: Finished difference Result 108 states and 146 transitions.
[2024-11-07 07:50:27,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-07 07:50:27,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134
[2024-11-07 07:50:27,047 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 07:50:27,048 INFO  L225             Difference]: With dead ends: 108
[2024-11-07 07:50:27,048 INFO  L226             Difference]: Without dead ends: 106
[2024-11-07 07:50:27,049 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272
[2024-11-07 07:50:27,049 INFO  L432           NwaCegarLoop]: 100 mSDtfsCounter, 134 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-07 07:50:27,050 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 344 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-07 07:50:27,051 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2024-11-07 07:50:27,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89.
[2024-11-07 07:50:27,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-07 07:50:27,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 122 transitions.
[2024-11-07 07:50:27,068 INFO  L78                 Accepts]: Start accepts. Automaton has 89 states and 122 transitions. Word has length 134
[2024-11-07 07:50:27,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 07:50:27,068 INFO  L471      AbstractCegarLoop]: Abstraction has 89 states and 122 transitions.
[2024-11-07 07:50:27,069 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-07 07:50:27,069 INFO  L276                IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions.
[2024-11-07 07:50:27,072 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-11-07 07:50:27,074 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 07:50:27,074 INFO  L215           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 07:50:27,074 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 07:50:27,074 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 07:50:27,075 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 07:50:27,075 INFO  L85        PathProgramCache]: Analyzing trace with hash -1212012539, now seen corresponding path program 1 times
[2024-11-07 07:50:27,075 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 07:50:27,075 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961908118]
[2024-11-07 07:50:27,075 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 07:50:27,075 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 07:50:27,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,902 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 07:50:31,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,907 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 07:50:31,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,910 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 07:50:31,911 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,913 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-07 07:50:31,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,916 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-07 07:50:31,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,919 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-07 07:50:31,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,922 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-07 07:50:31,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,925 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-07 07:50:31,927 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,974 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-07 07:50:31,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,979 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-07 07:50:31,980 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,983 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-07 07:50:31,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,986 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-07 07:50:31,987 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,990 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-07 07:50:31,993 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:31,996 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-07 07:50:31,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,002 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-07 07:50:32,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-07 07:50:32,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,012 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-07 07:50:32,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,018 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-07 07:50:32,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,025 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-07 07:50:32,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,029 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-07 07:50:32,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,033 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-07 07:50:32,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,038 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-07 07:50:32,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked.
[2024-11-07 07:50:32,043 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 07:50:32,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961908118]
[2024-11-07 07:50:32,044 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961908118] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 07:50:32,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482335117]
[2024-11-07 07:50:32,044 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 07:50:32,044 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 07:50:32,044 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 07:50:32,047 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)
[2024-11-07 07:50:32,049 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
[2024-11-07 07:50:32,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 07:50:32,153 INFO  L255         TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-07 07:50:32,171 INFO  L278         TraceCheckSpWp]: Computing forward predicates...