/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-10 14:22:04,401 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-10 14:22:04,468 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-10 14:22:04,479 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-10 14:22:04,480 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf
[2022-02-10 14:22:04,493 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-10 14:22:04,494 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-10 14:22:04,494 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-10 14:22:04,494 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-10 14:22:04,495 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-10 14:22:04,495 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-10 14:22:04,495 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-10 14:22:04,496 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-10 14:22:04,496 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-10 14:22:04,496 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-10 14:22:04,496 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-10 14:22:04,496 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-10 14:22:04,496 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-10 14:22:04,497 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-10 14:22:04,497 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-10 14:22:04,498 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-10 14:22:04,498 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 14:22:04,499 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-10 14:22:04,499 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS
[2022-02-10 14:22:04,500 INFO  L138        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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-10 14:22:04,689 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-10 14:22:04,718 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-10 14:22:04,720 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-10 14:22:04,721 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-10 14:22:04,723 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-10 14:22:04,723 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c
[2022-02-10 14:22:04,769 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7951946f/904a18cb4c054ae8bd1e5cfdde5b9764/FLAG484286dcf
[2022-02-10 14:22:05,127 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-10 14:22:05,128 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c
[2022-02-10 14:22:05,135 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7951946f/904a18cb4c054ae8bd1e5cfdde5b9764/FLAG484286dcf
[2022-02-10 14:22:05,149 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7951946f/904a18cb4c054ae8bd1e5cfdde5b9764
[2022-02-10 14:22:05,151 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-10 14:22:05,153 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-10 14:22:05,155 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-10 14:22:05,155 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-10 14:22:05,157 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-10 14:22:05,158 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,158 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1468cf92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05, skipping insertion in model container
[2022-02-10 14:22:05,159 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,163 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-10 14:22:05,185 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-10 14:22:05,313 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c[3107,3120]
[2022-02-10 14:22:05,318 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-10 14:22:05,323 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-10 14:22:05,338 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-send-receive.wvr.c[3107,3120]
[2022-02-10 14:22:05,340 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-10 14:22:05,349 INFO  L208         MainTranslator]: Completed translation
[2022-02-10 14:22:05,350 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05 WrapperNode
[2022-02-10 14:22:05,350 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-10 14:22:05,351 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-10 14:22:05,351 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-10 14:22:05,351 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-10 14:22:05,355 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,361 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,375 INFO  L137                Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 161
[2022-02-10 14:22:05,376 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-10 14:22:05,376 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-10 14:22:05,376 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-10 14:22:05,376 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-10 14:22:05,381 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,381 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,383 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,383 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,396 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,399 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,400 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,401 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-10 14:22:05,402 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-10 14:22:05,402 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-10 14:22:05,402 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-10 14:22:05,412 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (1/1) ...
[2022-02-10 14:22:05,417 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-10 14:22:05,424 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 14:22:05,435 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-10 14:22:05,445 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-10 14:22:05,464 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-10 14:22:05,464 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-10 14:22:05,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-10 14:22:05,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-10 14:22:05,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-02-10 14:22:05,465 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-10 14:22:05,465 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-10 14:22:05,466 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-10 14:22:05,467 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-10 14:22:05,551 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-10 14:22:05,553 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-10 14:22:05,757 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-10 14:22:05,819 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-10 14:22:05,819 INFO  L299             CfgBuilder]: Removed 3 assume(true) statements.
[2022-02-10 14:22:05,821 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:22:05 BoogieIcfgContainer
[2022-02-10 14:22:05,821 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-10 14:22:05,827 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-10 14:22:05,827 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-10 14:22:05,830 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-10 14:22:05,830 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 02:22:05" (1/3) ...
[2022-02-10 14:22:05,830 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ec66dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:22:05, skipping insertion in model container
[2022-02-10 14:22:05,830 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 02:22:05" (2/3) ...
[2022-02-10 14:22:05,831 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ec66dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 02:22:05, skipping insertion in model container
[2022-02-10 14:22:05,831 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 02:22:05" (3/3) ...
[2022-02-10 14:22:05,831 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c
[2022-02-10 14:22:05,835 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-10 14:22:05,835 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-10 14:22:05,835 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-10 14:22:05,835 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-10 14:22:05,861 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,861 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,861 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,862 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,863 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,864 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,864 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,864 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,864 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,865 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,866 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,867 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,868 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,873 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,873 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,874 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,875 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,876 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,877 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,880 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,880 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,881 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_~b~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,882 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,883 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,883 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-10 14:22:05,885 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-10 14:22:05,920 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-10 14:22:05,921 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 14:22:05,922 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-10 14:22:05,924 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-10 14:22:05,944 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-10 14:22:05,949 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-02-10 14:22:05,949 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-10 14:22:06,387 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 155 states.
[2022-02-10 14:22:06,389 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 14:22:06,399 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 14:22:06,400 INFO  L85        PathProgramCache]: Analyzing trace with hash 1014193275, now seen corresponding path program 1 times
[2022-02-10 14:22:06,410 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 14:22:06,411 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336641890]
[2022-02-10 14:22:06,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 14:22:06,411 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 14:22:06,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 14:22:06,631 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 14:22:06,632 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 14:22:06,632 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336641890]
[2022-02-10 14:22:06,632 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336641890] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 14:22:06,633 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 14:22:06,634 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-10 14:22:06,636 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336720364]
[2022-02-10 14:22:06,636 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 14:22:06,641 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-10 14:22:06,642 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 14:22:06,663 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-10 14:22:06,664 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-10 14:22:06,666 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:06,667 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 14:22:06,668 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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)
[2022-02-10 14:22:06,668 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:06,872 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 155 states.
[2022-02-10 14:22:06,872 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:06,872 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-10 14:22:06,873 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 14:22:06,875 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 14:22:06,875 INFO  L85        PathProgramCache]: Analyzing trace with hash 608738793, now seen corresponding path program 1 times
[2022-02-10 14:22:06,875 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 14:22:06,876 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537564432]
[2022-02-10 14:22:06,876 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 14:22:06,876 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 14:22:06,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 14:22:07,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-10 14:22:07,066 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 14:22:07,066 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537564432]
[2022-02-10 14:22:07,067 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537564432] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-10 14:22:07,067 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-10 14:22:07,067 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-02-10 14:22:07,067 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882062132]
[2022-02-10 14:22:07,067 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-10 14:22:07,069 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-02-10 14:22:07,069 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 14:22:07,069 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-02-10 14:22:07,070 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-02-10 14:22:07,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:07,071 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 14:22:07,071 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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)
[2022-02-10 14:22:07,072 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:07,072 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:08,406 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 299 transitions and produced 294 states.
[2022-02-10 14:22:08,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:08,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-02-10 14:22:08,408 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-10 14:22:08,408 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-10 14:22:08,409 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-10 14:22:08,409 INFO  L85        PathProgramCache]: Analyzing trace with hash -447914908, now seen corresponding path program 1 times
[2022-02-10 14:22:08,409 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-10 14:22:08,409 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301225725]
[2022-02-10 14:22:08,409 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 14:22:08,410 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-10 14:22:08,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 14:22:08,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 247 backedges. 133 proven. 28 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked.
[2022-02-10 14:22:08,592 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-10 14:22:08,593 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301225725]
[2022-02-10 14:22:08,593 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301225725] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-10 14:22:08,593 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440835737]
[2022-02-10 14:22:08,593 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-10 14:22:08,594 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-10 14:22:08,594 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-10 14:22:08,595 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-10 14:22:08,597 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-10 14:22:08,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-10 14:22:08,736 INFO  L263         TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-10 14:22:08,745 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-10 14:22:08,965 INFO  L134       CoverageAnalysis]: Checked inductivity of 247 backedges. 133 proven. 32 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2022-02-10 14:22:08,966 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-10 14:22:09,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 247 backedges. 137 proven. 28 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked.
[2022-02-10 14:22:09,165 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440835737] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-10 14:22:09,165 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-10 14:22:09,165 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 8
[2022-02-10 14:22:09,165 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125816542]
[2022-02-10 14:22:09,166 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-10 14:22:09,167 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2022-02-10 14:22:09,167 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-10 14:22:09,168 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2022-02-10 14:22:09,168 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2022-02-10 14:22:09,168 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:09,168 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-10 14:22:09,169 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 20.625) internal successors, (165), 8 states have internal predecessors, (165), 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)
[2022-02-10 14:22:09,169 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-10 14:22:09,169 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2022-02-10 14:22:09,169 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.