./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version b86fb0b7
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-19 10:06:02,574 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-19 10:06:02,650 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-19 10:06:02,657 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-19 10:06:02,658 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-19 10:06:02,687 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-19 10:06:02,689 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-19 10:06:02,690 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-19 10:06:02,690 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-19 10:06:02,691 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-19 10:06:02,693 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-19 10:06:02,693 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-19 10:06:02,694 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-19 10:06:02,694 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-19 10:06:02,694 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-19 10:06:02,696 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-19 10:06:02,696 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-19 10:06:02,697 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-19 10:06:02,697 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-19 10:06:02,697 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-19 10:06:02,697 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-19 10:06:02,698 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-19 10:06:02,700 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-19 10:06:02,701 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-19 10:06:02,701 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-19 10:06:02,701 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-19 10:06:02,702 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-19 10:06:02,702 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-19 10:06:02,702 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-19 10:06:02,703 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-19 10:06:02,703 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-19 10:06:02,703 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-19 10:06:02,703 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-19 10:06:02,704 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-19 10:06:02,704 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-19 10:06:02,704 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-19 10:06:02,704 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-19 10:06:02,704 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-19 10:06:02,705 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-19 10:06:02,705 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-19 10:06:02,705 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-19 10:06:02,706 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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/releaseScripts/default/UGemCutter-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 -> GemCutter
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 -> 63e73d2abe89b782ca9e5c579baa72b5461ffc3c60c322f6f03d18cdd5548702
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5
[2024-10-19 10:06:03,017 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-19 10:06:03,038 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-19 10:06:03,041 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-19 10:06:03,042 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-19 10:06:03,042 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-19 10:06:03,043 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c
[2024-10-19 10:06:04,497 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-19 10:06:04,679 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-19 10:06:04,682 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c
[2024-10-19 10:06:04,690 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c454598/f79ff435b9984db5ba30c2fff9787d1c/FLAG126c08d97
[2024-10-19 10:06:04,702 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d4c454598/f79ff435b9984db5ba30c2fff9787d1c
[2024-10-19 10:06:04,707 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-19 10:06:04,708 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-19 10:06:04,712 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-19 10:06:04,712 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-19 10:06:04,717 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-19 10:06:04,718 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:06:04" (1/1) ...
[2024-10-19 10:06:04,719 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3defa3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:04, skipping insertion in model container
[2024-10-19 10:06:04,719 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 10:06:04" (1/1) ...
[2024-10-19 10:06:04,748 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-19 10:06:04,976 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650]
[2024-10-19 10:06:04,988 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-19 10:06:04,999 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-19 10:06:05,029 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650]
[2024-10-19 10:06:05,034 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-19 10:06:05,057 INFO  L204         MainTranslator]: Completed translation
[2024-10-19 10:06:05,058 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05 WrapperNode
[2024-10-19 10:06:05,058 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-19 10:06:05,059 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-19 10:06:05,059 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-19 10:06:05,060 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-19 10:06:05,067 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,079 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,116 INFO  L138                Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 185
[2024-10-19 10:06:05,116 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-19 10:06:05,117 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-19 10:06:05,117 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-19 10:06:05,117 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-19 10:06:05,126 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,126 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,130 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,131 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,139 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,144 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,146 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,147 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,153 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-19 10:06:05,154 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-19 10:06:05,154 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-19 10:06:05,155 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-19 10:06:05,156 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (1/1) ...
[2024-10-19 10:06:05,165 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-19 10:06:05,178 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:06:05,196 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-10-19 10:06:05,203 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-10-19 10:06:05,249 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-19 10:06:05,249 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-10-19 10:06:05,249 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-10-19 10:06:05,250 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-10-19 10:06:05,250 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-19 10:06:05,250 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-19 10:06:05,250 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-19 10:06:05,251 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-10-19 10:06:05,253 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-19 10:06:05,386 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-19 10:06:05,388 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-19 10:06:05,789 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-19 10:06:05,793 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-19 10:06:06,067 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-19 10:06:06,067 INFO  L314             CfgBuilder]: Removed 7 assume(true) statements.
[2024-10-19 10:06:06,067 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:06:06 BoogieIcfgContainer
[2024-10-19 10:06:06,068 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-19 10:06:06,070 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-19 10:06:06,070 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-19 10:06:06,073 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-19 10:06:06,074 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 10:06:04" (1/3) ...
[2024-10-19 10:06:06,075 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5d9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:06:06, skipping insertion in model container
[2024-10-19 10:06:06,076 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 10:06:05" (2/3) ...
[2024-10-19 10:06:06,076 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5d9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 10:06:06, skipping insertion in model container
[2024-10-19 10:06:06,076 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 10:06:06" (3/3) ...
[2024-10-19 10:06:06,078 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c
[2024-10-19 10:06:06,094 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-19 10:06:06,094 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-19 10:06:06,094 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-19 10:06:06,141 INFO  L143    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-10-19 10:06:06,189 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-19 10:06:06,190 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-19 10:06:06,190 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:06:06,192 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-10-19 10:06:06,195 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-10-19 10:06:06,277 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-19 10:06:06,296 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-19 10:06:06,298 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-19 10:06:06,307 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=PARTIAL_ORDER_FA, 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;@318b5b01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-19 10:06:06,309 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-10-19 10:06:07,267 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:06:07,268 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11692 treesize of output 7716
[2024-10-19 10:06:47,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -354424355, now seen corresponding path program 1 times
[2024-10-19 10:06:47,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:06:47,749 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:06:47,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:06:47,940 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:06:48,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:06:48,501 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:06:48,502 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11596 treesize of output 7620
[2024-10-19 10:07:46,547 INFO  L85        PathProgramCache]: Analyzing trace with hash 1897746470, now seen corresponding path program 1 times
[2024-10-19 10:07:46,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:07:46,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:07:46,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:07:46,587 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:07:46,648 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:07:46,992 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:07:46,993 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11692 treesize of output 7716
[2024-10-19 10:08:51,937 INFO  L85        PathProgramCache]: Analyzing trace with hash -1299401612, now seen corresponding path program 1 times
[2024-10-19 10:08:51,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:08:51,938 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:08:51,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:08:51,973 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:08:52,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:08:52,328 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:08:52,329 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11692 treesize of output 7716
[2024-10-19 10:09:36,143 INFO  L85        PathProgramCache]: Analyzing trace with hash -1626744624, now seen corresponding path program 1 times
[2024-10-19 10:09:36,144 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:09:36,144 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:09:36,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:09:36,191 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:09:36,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:09:36,695 INFO  L349             Elim1Store]: treesize reduction 13, result has 90.5 percent of original size
[2024-10-19 10:09:36,696 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11404 treesize of output 7415
[2024-10-19 10:09:47,701 INFO  L85        PathProgramCache]: Analyzing trace with hash -1626744623, now seen corresponding path program 1 times
[2024-10-19 10:09:47,701 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:09:47,702 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:09:47,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:09:48,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-19 10:09:48,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:09:48,094 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:09:48,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:09:48,293 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-19 10:09:48,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-10-19 10:09:48,316 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-10-19 10:09:48,875 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:09:48,876 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5833 treesize of output 3913
[2024-10-19 10:10:33,356 INFO  L85        PathProgramCache]: Analyzing trace with hash 678839069, now seen corresponding path program 1 times
[2024-10-19 10:10:33,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:10:33,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:10:33,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:10:33,393 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:10:33,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:10:33,868 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:10:33,869 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5833 treesize of output 3913
[2024-10-19 10:11:17,945 INFO  L85        PathProgramCache]: Analyzing trace with hash -430826026, now seen corresponding path program 1 times
[2024-10-19 10:11:17,946 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:11:17,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:11:17,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:11:17,978 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:11:17,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:11:18,463 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:11:18,464 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 22754 treesize of output 14666
[2024-10-19 10:12:08,134 INFO  L85        PathProgramCache]: Analyzing trace with hash -1706958787, now seen corresponding path program 1 times
[2024-10-19 10:12:08,135 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:12:08,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:12:08,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:12:08,169 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:12:08,219 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:12:09,429 INFO  L349             Elim1Store]: treesize reduction 13, result has 90.5 percent of original size
[2024-10-19 10:12:09,430 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 23410 treesize of output 15309
[2024-10-19 10:12:21,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -1706958786, now seen corresponding path program 1 times
[2024-10-19 10:12:21,157 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:12:21,157 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:12:21,179 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:12:21,180 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:12:21,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:12:22,003 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:12:22,004 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11580 treesize of output 7604
[2024-10-19 10:13:25,774 INFO  L85        PathProgramCache]: Analyzing trace with hash -1376116236, now seen corresponding path program 1 times
[2024-10-19 10:13:25,774 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:13:25,775 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:13:25,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:13:25,796 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:13:25,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:13:26,985 INFO  L349             Elim1Store]: treesize reduction 13, result has 90.5 percent of original size
[2024-10-19 10:13:26,986 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11692 treesize of output 7703
[2024-10-19 10:13:39,508 INFO  L85        PathProgramCache]: Analyzing trace with hash -1376116235, now seen corresponding path program 1 times
[2024-10-19 10:13:39,508 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:13:39,509 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:13:39,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:13:39,528 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:13:39,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:13:40,334 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:13:40,334 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5833 treesize of output 3913
[2024-10-19 10:15:15,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 290068844, now seen corresponding path program 1 times
[2024-10-19 10:15:15,720 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:15:15,720 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:15:15,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:15:15,753 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:15:15,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:15:16,893 INFO  L349             Elim1Store]: treesize reduction 13, result has 90.5 percent of original size
[2024-10-19 10:15:16,894 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 11580 treesize of output 7591
[2024-10-19 10:15:27,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 290068845, now seen corresponding path program 1 times
[2024-10-19 10:15:27,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:15:27,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:15:27,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:15:27,784 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:15:27,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:15:28,614 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-10-19 10:15:28,615 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5833 treesize of output 3913
[2024-10-19 10:16:28,964 INFO  L85        PathProgramCache]: Analyzing trace with hash 402198805, now seen corresponding path program 1 times
[2024-10-19 10:16:28,964 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:28,965 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:28,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:16:28,992 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-19 10:16:29,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-19 10:16:30,223 INFO  L349             Elim1Store]: treesize reduction 13, result has 90.5 percent of original size
[2024-10-19 10:16:30,223 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 5833 treesize of output 3900
[2024-10-19 10:16:44,234 INFO  L85        PathProgramCache]: Analyzing trace with hash 402198806, now seen corresponding path program 1 times
[2024-10-19 10:16:44,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:44,234 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:44,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:45,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-10-19 10:16:45,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:45,140 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:45,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:45,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-10-19 10:16:45,758 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-19 10:16:45,760 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-19 10:16:45,760 INFO  L85        PathProgramCache]: Analyzing trace with hash -1476697866, now seen corresponding path program 1 times
[2024-10-19 10:16:45,764 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-19 10:16:45,764 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250953974]
[2024-10-19 10:16:45,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:45,765 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:45,782 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:46,266 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-19 10:16:46,266 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-19 10:16:46,266 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250953974]
[2024-10-19 10:16:46,267 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250953974] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-19 10:16:46,267 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904846457]
[2024-10-19 10:16:46,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:46,267 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:16:46,267 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:16:46,290 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-19 10:16:46,291 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-19 10:16:46,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:46,403 INFO  L255         TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-10-19 10:16:46,405 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-19 10:16:47,119 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-19 10:16:47,120 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-19 10:16:47,660 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-10-19 10:16:47,660 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904846457] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-19 10:16:47,661 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-19 10:16:47,661 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13
[2024-10-19 10:16:47,662 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558076692]
[2024-10-19 10:16:47,663 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-19 10:16:47,665 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-10-19 10:16:47,666 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-19 10:16:47,667 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-10-19 10:16:47,668 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182
[2024-10-19 10:16:47,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:16:47,669 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-19 10:16:47,669 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.0) internal successors, (56), 13 states have internal predecessors, (56), 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)
[2024-10-19 10:16:47,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:16:48,941 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-19 10:16:48,953 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-10-19 10:16:49,141 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-10-19 10:16:49,142 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-19 10:16:49,142 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-19 10:16:49,142 INFO  L85        PathProgramCache]: Analyzing trace with hash -1568715745, now seen corresponding path program 2 times
[2024-10-19 10:16:49,143 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-19 10:16:49,143 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085814949]
[2024-10-19 10:16:49,143 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:49,143 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:49,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:49,973 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-10-19 10:16:49,973 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-19 10:16:49,973 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085814949]
[2024-10-19 10:16:49,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085814949] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-19 10:16:49,974 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546089652]
[2024-10-19 10:16:49,974 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-10-19 10:16:49,974 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:16:49,974 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:16:49,975 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-19 10:16:49,976 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-10-19 10:16:50,078 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-19 10:16:50,078 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-19 10:16:50,079 INFO  L255         TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-10-19 10:16:50,081 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-19 10:16:51,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-10-19 10:16:51,292 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-19 10:16:52,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-10-19 10:16:52,395 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [546089652] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-19 10:16:52,395 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-19 10:16:52,396 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 20
[2024-10-19 10:16:52,396 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877213872]
[2024-10-19 10:16:52,396 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-19 10:16:52,397 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-10-19 10:16:52,397 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-19 10:16:52,398 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-10-19 10:16:52,398 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420
[2024-10-19 10:16:52,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:16:52,399 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-19 10:16:52,399 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 21 states, 21 states have (on average 2.619047619047619) internal successors, (55), 20 states have internal predecessors, (55), 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)
[2024-10-19 10:16:52,399 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-10-19 10:16:52,399 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:16:56,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-19 10:16:56,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-19 10:16:56,855 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-10-19 10:16:57,042 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:16:57,043 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-19 10:16:57,043 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-19 10:16:57,043 INFO  L85        PathProgramCache]: Analyzing trace with hash 1843339808, now seen corresponding path program 1 times
[2024-10-19 10:16:57,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-19 10:16:57,043 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781092301]
[2024-10-19 10:16:57,043 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:57,043 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:16:57,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:57,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-10-19 10:16:57,948 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-19 10:16:57,948 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781092301]
[2024-10-19 10:16:57,948 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781092301] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-19 10:16:57,948 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291447029]
[2024-10-19 10:16:57,949 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:16:57,949 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:16:57,949 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:16:57,951 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-19 10:16:57,952 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-10-19 10:16:58,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:16:58,061 INFO  L255         TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-10-19 10:16:58,062 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-19 10:16:59,286 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-10-19 10:16:59,287 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-19 10:17:00,416 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-10-19 10:17:00,417 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [291447029] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-19 10:17:00,417 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-19 10:17:00,417 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22
[2024-10-19 10:17:00,417 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111625709]
[2024-10-19 10:17:00,417 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-19 10:17:00,418 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-10-19 10:17:00,418 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-19 10:17:00,418 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-10-19 10:17:00,419 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506
[2024-10-19 10:17:00,419 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:17:00,419 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-19 10:17:00,419 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 2.5652173913043477) internal successors, (59), 22 states have internal predecessors, (59), 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)
[2024-10-19 10:17:00,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-10-19 10:17:00,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-10-19 10:17:00,420 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-19 10:17:03,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-19 10:17:03,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-10-19 10:17:03,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-10-19 10:17:03,240 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-10-19 10:17:03,426 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:17:03,427 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-10-19 10:17:03,427 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-19 10:17:03,428 INFO  L85        PathProgramCache]: Analyzing trace with hash 1080886409, now seen corresponding path program 2 times
[2024-10-19 10:17:03,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-19 10:17:03,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253154567]
[2024-10-19 10:17:03,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-19 10:17:03,428 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-19 10:17:03,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-19 10:17:16,583 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-10-19 10:17:16,584 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-19 10:17:16,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253154567]
[2024-10-19 10:17:16,584 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253154567] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-19 10:17:16,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372040737]
[2024-10-19 10:17:16,584 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-10-19 10:17:16,584 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-19 10:17:16,585 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-19 10:17:16,586 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-19 10:17:16,588 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-10-19 10:17:16,737 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-19 10:17:16,737 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-19 10:17:16,740 INFO  L255         TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 97 conjuncts are in the unsatisfiable core
[2024-10-19 10:17:16,745 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-19 10:17:16,770 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-10-19 10:17:17,632 INFO  L349             Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2024-10-19 10:17:17,632 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21
[2024-10-19 10:17:18,841 INFO  L349             Elim1Store]: treesize reduction 40, result has 32.2 percent of original size
[2024-10-19 10:17:18,841 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28
[2024-10-19 10:17:19,605 INFO  L349             Elim1Store]: treesize reduction 8, result has 52.9 percent of original size
[2024-10-19 10:17:19,605 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18
[2024-10-19 10:17:22,815 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 24
[2024-10-19 10:17:23,525 INFO  L349             Elim1Store]: treesize reduction 19, result has 26.9 percent of original size
[2024-10-19 10:17:23,525 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 36
[2024-10-19 10:17:24,246 INFO  L349             Elim1Store]: treesize reduction 68, result has 18.1 percent of original size
[2024-10-19 10:17:24,247 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 66
[2024-10-19 10:17:25,141 INFO  L349             Elim1Store]: treesize reduction 89, result has 9.2 percent of original size
[2024-10-19 10:17:25,142 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 73 treesize of output 92
[2024-10-19 10:17:25,952 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-10-19 10:17:25,970 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-10-19 10:17:26,035 INFO  L349             Elim1Store]: treesize reduction 27, result has 20.6 percent of original size
[2024-10-19 10:17:26,035 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 5 case distinctions, treesize of input 90 treesize of output 104
[2024-10-19 10:17:26,914 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-10-19 10:17:26,923 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-10-19 10:17:27,014 INFO  L349             Elim1Store]: treesize reduction 61, result has 12.9 percent of original size
[2024-10-19 10:17:27,014 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 10 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 107 treesize of output 130
[2024-10-19 10:17:29,738 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-10-19 10:17:29,738 INFO  L311         TraceCheckSpWp]: Computing backward predicates...