./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f43935362c1335f4f9734ddabaed6e8642550761
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:24:59,548 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:24:59,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:24:59,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:24:59,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:24:59,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:24:59,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:24:59,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:24:59,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:24:59,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:24:59,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:24:59,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:24:59,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:24:59,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:24:59,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:24:59,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:24:59,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:24:59,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:24:59,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:24:59,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:24:59,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:24:59,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:24:59,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:24:59,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:24:59,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:24:59,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:24:59,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:24:59,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:24:59,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:24:59,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:24:59,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:24:59,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:24:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:24:59,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:24:59,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:24:59,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:24:59,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:24:59,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:24:59,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:24:59,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:24:59,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:24:59,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:24:59,680 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:24:59,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:24:59,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:24:59,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:24:59,686 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:24:59,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:24:59,687 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:24:59,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:24:59,687 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:24:59,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:24:59,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:24:59,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:24:59,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:24:59,695 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:24:59,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:24:59,696 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:24:59,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:24:59,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:24:59,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:24:59,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:24:59,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:24:59,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:24:59,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:24:59,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:24:59,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:24:59,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:24:59,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:24:59,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:24:59,699 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f43935362c1335f4f9734ddabaed6e8642550761
[2021-10-11 00:24:59,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:25:00,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:25:00,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:25:00,033 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:25:00,034 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:25:00,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i
[2021-10-11 00:25:00,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/data/9d946db33/d95719dd081e4683bfd4df9899d00fd2/FLAG2a9d515f5
[2021-10-11 00:25:00,736 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:25:00,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i
[2021-10-11 00:25:00,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/data/9d946db33/d95719dd081e4683bfd4df9899d00fd2/FLAG2a9d515f5
[2021-10-11 00:25:01,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/data/9d946db33/d95719dd081e4683bfd4df9899d00fd2
[2021-10-11 00:25:01,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:25:01,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:25:01,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:01,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:25:01,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:25:01,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb4125d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01, skipping insertion in model container
[2021-10-11 00:25:01,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:25:01,126 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:25:01,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i[949,962]
[2021-10-11 00:25:01,577 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:01,587 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:25:01,604 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/sv-benchmarks/c/pthread-wmm/safe019_pso.opt.i[949,962]
[2021-10-11 00:25:01,641 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:01,752 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:25:01,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01 WrapperNode
[2021-10-11 00:25:01,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:01,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:01,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:25:01,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:25:01,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:25:01,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:25:01,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:25:01,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:25:01,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
[2021-10-11 00:25:01,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:25:01,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:25:01,848 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:25:01,848 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:25:01,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:25:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:25:01,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-11 00:25:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:25:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:25:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2021-10-11 00:25:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2021-10-11 00:25:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2021-10-11 00:25:01,989 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2021-10-11 00:25:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2021-10-11 00:25:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2021-10-11 00:25:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2021-10-11 00:25:01,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2021-10-11 00:25:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:25:01,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-11 00:25:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:25:01,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:25:01,993 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-11 00:25:02,589 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:25:02,590 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-11 00:25:02,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:02 BoogieIcfgContainer
[2021-10-11 00:25:02,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:25:02,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:25:02,594 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:25:02,598 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:25:02,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:01" (1/3) ...
[2021-10-11 00:25:02,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd5967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:02, skipping insertion in model container
[2021-10-11 00:25:02,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:01" (2/3) ...
[2021-10-11 00:25:02,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd5967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:02, skipping insertion in model container
[2021-10-11 00:25:02,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:02" (3/3) ...
[2021-10-11 00:25:02,601 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.opt.i
[2021-10-11 00:25:02,623 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-11 00:25:02,623 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:25:02,627 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:25:02,628 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-11 00:25:02,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,662 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,662 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,664 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,665 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,665 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,666 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,666 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,666 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,667 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,668 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,668 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,669 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,669 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,671 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,672 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,672 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,672 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,673 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,673 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,673 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,674 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,709 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,711 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,711 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,712 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,713 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,718 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,719 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,719 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,728 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,729 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-11 00:25:02,734 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2021-10-11 00:25:02,757 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2021-10-11 00:25:02,782 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:25:02,782 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:25:02,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:25:02,782 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:25:02,782 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:25:02,782 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:25:02,782 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:25:02,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:25:02,796 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-11 00:25:02,798 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 86 transitions, 192 flow
[2021-10-11 00:25:02,801 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 86 transitions, 192 flow
[2021-10-11 00:25:02,803 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 97 places, 86 transitions, 192 flow
[2021-10-11 00:25:02,852 INFO L129 PetriNetUnfolder]: 2/82 cut-off events.
[2021-10-11 00:25:02,852 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2021-10-11 00:25:02,856 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 82 events. 2/82 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place.
[2021-10-11 00:25:02,860 INFO L116 LiptonReduction]: Number of co-enabled transitions 1866
[2021-10-11 00:25:06,636 WARN L197 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76
[2021-10-11 00:25:06,780 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 72
[2021-10-11 00:25:07,064 WARN L197 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76
[2021-10-11 00:25:07,194 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72
[2021-10-11 00:25:07,370 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54
[2021-10-11 00:25:07,613 INFO L131 LiptonReduction]: Checked pairs total: 2978
[2021-10-11 00:25:07,614 INFO L133 LiptonReduction]: Total number of compositions: 68
[2021-10-11 00:25:07,622 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow
[2021-10-11 00:25:07,713 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states.
[2021-10-11 00:25:07,715 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states.
[2021-10-11 00:25:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-11 00:25:07,732 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:07,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:07,734 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:07,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:07,741 INFO L82 PathProgramCache]: Analyzing trace with hash -36259415, now seen corresponding path program 1 times
[2021-10-11 00:25:07,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:07,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786334771]
[2021-10-11 00:25:07,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:08,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:08,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786334771]
[2021-10-11 00:25:08,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:08,059 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:25:08,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171739727]
[2021-10-11 00:25:08,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:25:08,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:08,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:25:08,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:08,081 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states.
[2021-10-11 00:25:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:08,151 INFO L93 Difference]: Finished difference Result 1072 states and 3535 transitions.
[2021-10-11 00:25:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:25:08,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2021-10-11 00:25:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:08,179 INFO L225 Difference]: With dead ends: 1072
[2021-10-11 00:25:08,179 INFO L226 Difference]: Without dead ends: 745
[2021-10-11 00:25:08,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:08,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states.
[2021-10-11 00:25:08,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 679.
[2021-10-11 00:25:08,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states.
[2021-10-11 00:25:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 2220 transitions.
[2021-10-11 00:25:08,286 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 2220 transitions. Word has length 10
[2021-10-11 00:25:08,287 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:08,288 INFO L481 AbstractCegarLoop]: Abstraction has 679 states and 2220 transitions.
[2021-10-11 00:25:08,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:25:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 2220 transitions.
[2021-10-11 00:25:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:25:08,291 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:08,291 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:08,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:25:08,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:08,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1165014530, now seen corresponding path program 1 times
[2021-10-11 00:25:08,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:08,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690663685]
[2021-10-11 00:25:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:08,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690663685]
[2021-10-11 00:25:08,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:08,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:25:08,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048887658]
[2021-10-11 00:25:08,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:08,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:08,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:08,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:08,476 INFO L87 Difference]: Start difference. First operand 679 states and 2220 transitions. Second operand 4 states.
[2021-10-11 00:25:08,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:08,509 INFO L93 Difference]: Finished difference Result 700 states and 2225 transitions.
[2021-10-11 00:25:08,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:25:08,510 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2021-10-11 00:25:08,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:08,519 INFO L225 Difference]: With dead ends: 700
[2021-10-11 00:25:08,519 INFO L226 Difference]: Without dead ends: 700
[2021-10-11 00:25:08,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:08,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states.
[2021-10-11 00:25:08,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 652.
[2021-10-11 00:25:08,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states.
[2021-10-11 00:25:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 2109 transitions.
[2021-10-11 00:25:08,558 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 2109 transitions. Word has length 11
[2021-10-11 00:25:08,559 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:08,559 INFO L481 AbstractCegarLoop]: Abstraction has 652 states and 2109 transitions.
[2021-10-11 00:25:08,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 2109 transitions.
[2021-10-11 00:25:08,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:25:08,562 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:08,562 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:08,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:25:08,563 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:08,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:08,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1124043458, now seen corresponding path program 1 times
[2021-10-11 00:25:08,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:08,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560372291]
[2021-10-11 00:25:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:08,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560372291]
[2021-10-11 00:25:08,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:08,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:25:08,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529105531]
[2021-10-11 00:25:08,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:08,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:08,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:08,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:08,742 INFO L87 Difference]: Start difference. First operand 652 states and 2109 transitions. Second operand 4 states.
[2021-10-11 00:25:08,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:08,779 INFO L93 Difference]: Finished difference Result 664 states and 2099 transitions.
[2021-10-11 00:25:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:25:08,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11
[2021-10-11 00:25:08,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:08,787 INFO L225 Difference]: With dead ends: 664
[2021-10-11 00:25:08,787 INFO L226 Difference]: Without dead ends: 664
[2021-10-11 00:25:08,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:08,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states.
[2021-10-11 00:25:08,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 604.
[2021-10-11 00:25:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states.
[2021-10-11 00:25:08,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1939 transitions.
[2021-10-11 00:25:08,825 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1939 transitions. Word has length 11
[2021-10-11 00:25:08,825 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:08,826 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1939 transitions.
[2021-10-11 00:25:08,826 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:08,827 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1939 transitions.
[2021-10-11 00:25:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:25:08,832 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:08,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:08,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:25:08,834 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:08,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1755710469, now seen corresponding path program 1 times
[2021-10-11 00:25:08,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:08,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025081752]
[2021-10-11 00:25:08,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:08,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025081752]
[2021-10-11 00:25:08,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:08,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:08,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014238700]
[2021-10-11 00:25:08,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:25:08,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:08,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:25:08,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:08,968 INFO L87 Difference]: Start difference. First operand 604 states and 1939 transitions. Second operand 5 states.
[2021-10-11 00:25:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,021 INFO L93 Difference]: Finished difference Result 856 states and 2659 transitions.
[2021-10-11 00:25:09,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:25:09,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12
[2021-10-11 00:25:09,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,035 INFO L225 Difference]: With dead ends: 856
[2021-10-11 00:25:09,035 INFO L226 Difference]: Without dead ends: 472
[2021-10-11 00:25:09,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:25:09,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states.
[2021-10-11 00:25:09,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 436.
[2021-10-11 00:25:09,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states.
[2021-10-11 00:25:09,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1375 transitions.
[2021-10-11 00:25:09,060 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1375 transitions. Word has length 12
[2021-10-11 00:25:09,060 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,060 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 1375 transitions.
[2021-10-11 00:25:09,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:25:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1375 transitions.
[2021-10-11 00:25:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-11 00:25:09,062 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:25:09,062 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,064 INFO L82 PathProgramCache]: Analyzing trace with hash -485610361, now seen corresponding path program 2 times
[2021-10-11 00:25:09,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687666126]
[2021-10-11 00:25:09,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687666126]
[2021-10-11 00:25:09,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2021-10-11 00:25:09,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750806428]
[2021-10-11 00:25:09,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:25:09,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:25:09,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:09,148 INFO L87 Difference]: Start difference. First operand 436 states and 1375 transitions. Second operand 3 states.
[2021-10-11 00:25:09,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,158 INFO L93 Difference]: Finished difference Result 418 states and 1306 transitions.
[2021-10-11 00:25:09,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:25:09,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12
[2021-10-11 00:25:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,163 INFO L225 Difference]: With dead ends: 418
[2021-10-11 00:25:09,164 INFO L226 Difference]: Without dead ends: 418
[2021-10-11 00:25:09,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states.
[2021-10-11 00:25:09,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418.
[2021-10-11 00:25:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states.
[2021-10-11 00:25:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 1306 transitions.
[2021-10-11 00:25:09,184 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 1306 transitions. Word has length 12
[2021-10-11 00:25:09,185 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,185 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 1306 transitions.
[2021-10-11 00:25:09,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:25:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1306 transitions.
[2021-10-11 00:25:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:25:09,186 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-11 00:25:09,187 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1949399229, now seen corresponding path program 1 times
[2021-10-11 00:25:09,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594452120]
[2021-10-11 00:25:09,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594452120]
[2021-10-11 00:25:09,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:09,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386360328]
[2021-10-11 00:25:09,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:09,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:09,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:09,245 INFO L87 Difference]: Start difference. First operand 418 states and 1306 transitions. Second operand 4 states.
[2021-10-11 00:25:09,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,285 INFO L93 Difference]: Finished difference Result 532 states and 1601 transitions.
[2021-10-11 00:25:09,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:25:09,286 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2021-10-11 00:25:09,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,290 INFO L225 Difference]: With dead ends: 532
[2021-10-11 00:25:09,291 INFO L226 Difference]: Without dead ends: 412
[2021-10-11 00:25:09,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:09,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states.
[2021-10-11 00:25:09,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 376.
[2021-10-11 00:25:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states.
[2021-10-11 00:25:09,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 1137 transitions.
[2021-10-11 00:25:09,310 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 1137 transitions. Word has length 13
[2021-10-11 00:25:09,311 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,311 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 1137 transitions.
[2021-10-11 00:25:09,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1137 transitions.
[2021-10-11 00:25:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-11 00:25:09,313 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:25:09,313 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1949381931, now seen corresponding path program 1 times
[2021-10-11 00:25:09,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120756038]
[2021-10-11 00:25:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120756038]
[2021-10-11 00:25:09,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:25:09,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445997261]
[2021-10-11 00:25:09,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:09,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:09,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:09,390 INFO L87 Difference]: Start difference. First operand 376 states and 1137 transitions. Second operand 4 states.
[2021-10-11 00:25:09,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,420 INFO L93 Difference]: Finished difference Result 526 states and 1530 transitions.
[2021-10-11 00:25:09,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-10-11 00:25:09,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13
[2021-10-11 00:25:09,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,424 INFO L225 Difference]: With dead ends: 526
[2021-10-11 00:25:09,424 INFO L226 Difference]: Without dead ends: 274
[2021-10-11 00:25:09,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:09,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2021-10-11 00:25:09,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274.
[2021-10-11 00:25:09,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states.
[2021-10-11 00:25:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 775 transitions.
[2021-10-11 00:25:09,438 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 775 transitions. Word has length 13
[2021-10-11 00:25:09,438 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,438 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 775 transitions.
[2021-10-11 00:25:09,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 775 transitions.
[2021-10-11 00:25:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-11 00:25:09,440 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-10-11 00:25:09,440 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,441 INFO L82 PathProgramCache]: Analyzing trace with hash 2123867267, now seen corresponding path program 1 times
[2021-10-11 00:25:09,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232027644]
[2021-10-11 00:25:09,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232027644]
[2021-10-11 00:25:09,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:25:09,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543304966]
[2021-10-11 00:25:09,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:09,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:09,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:09,544 INFO L87 Difference]: Start difference. First operand 274 states and 775 transitions. Second operand 4 states.
[2021-10-11 00:25:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,594 INFO L93 Difference]: Finished difference Result 345 states and 911 transitions.
[2021-10-11 00:25:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:25:09,595 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14
[2021-10-11 00:25:09,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,597 INFO L225 Difference]: With dead ends: 345
[2021-10-11 00:25:09,597 INFO L226 Difference]: Without dead ends: 252
[2021-10-11 00:25:09,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:09,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states.
[2021-10-11 00:25:09,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252.
[2021-10-11 00:25:09,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states.
[2021-10-11 00:25:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 675 transitions.
[2021-10-11 00:25:09,627 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 675 transitions. Word has length 14
[2021-10-11 00:25:09,627 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,627 INFO L481 AbstractCegarLoop]: Abstraction has 252 states and 675 transitions.
[2021-10-11 00:25:09,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 675 transitions.
[2021-10-11 00:25:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-10-11 00:25:09,629 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-11 00:25:09,629 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1422134941, now seen corresponding path program 1 times
[2021-10-11 00:25:09,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916440573]
[2021-10-11 00:25:09,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916440573]
[2021-10-11 00:25:09,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:09,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761312137]
[2021-10-11 00:25:09,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:25:09,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:25:09,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:09,741 INFO L87 Difference]: Start difference. First operand 252 states and 675 transitions. Second operand 5 states.
[2021-10-11 00:25:09,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:09,807 INFO L93 Difference]: Finished difference Result 278 states and 685 transitions.
[2021-10-11 00:25:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-11 00:25:09,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15
[2021-10-11 00:25:09,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:09,810 INFO L225 Difference]: With dead ends: 278
[2021-10-11 00:25:09,810 INFO L226 Difference]: Without dead ends: 203
[2021-10-11 00:25:09,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:25:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2021-10-11 00:25:09,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2021-10-11 00:25:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states.
[2021-10-11 00:25:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 492 transitions.
[2021-10-11 00:25:09,824 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 492 transitions. Word has length 15
[2021-10-11 00:25:09,825 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:09,825 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 492 transitions.
[2021-10-11 00:25:09,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:25:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 492 transitions.
[2021-10-11 00:25:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-10-11 00:25:09,826 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:09,826 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:09,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-11 00:25:09,827 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:09,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:09,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1099628631, now seen corresponding path program 1 times
[2021-10-11 00:25:09,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:09,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728569488]
[2021-10-11 00:25:09,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:09,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728569488]
[2021-10-11 00:25:09,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:09,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:25:09,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732583412]
[2021-10-11 00:25:09,923 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states
[2021-10-11 00:25:09,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:09,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-11 00:25:09,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:25:09,924 INFO L87 Difference]: Start difference. First operand 203 states and 492 transitions. Second operand 6 states.
[2021-10-11 00:25:10,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:10,007 INFO L93 Difference]: Finished difference Result 200 states and 461 transitions.
[2021-10-11 00:25:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-10-11 00:25:10,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16
[2021-10-11 00:25:10,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:10,011 INFO L225 Difference]: With dead ends: 200
[2021-10-11 00:25:10,011 INFO L226 Difference]: Without dead ends: 162
[2021-10-11 00:25:10,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:25:10,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2021-10-11 00:25:10,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162.
[2021-10-11 00:25:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states.
[2021-10-11 00:25:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 375 transitions.
[2021-10-11 00:25:10,018 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 375 transitions. Word has length 16
[2021-10-11 00:25:10,019 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:10,019 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 375 transitions.
[2021-10-11 00:25:10,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2021-10-11 00:25:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 375 transitions.
[2021-10-11 00:25:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-11 00:25:10,020 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:10,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:10,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-11 00:25:10,021 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:10,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:10,021 INFO L82 PathProgramCache]: Analyzing trace with hash 554738786, now seen corresponding path program 1 times
[2021-10-11 00:25:10,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:10,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529122177]
[2021-10-11 00:25:10,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:10,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529122177]
[2021-10-11 00:25:10,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:10,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:25:10,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922515273]
[2021-10-11 00:25:10,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:25:10,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:10,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:25:10,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:10,097 INFO L87 Difference]: Start difference. First operand 162 states and 375 transitions. Second operand 5 states.
[2021-10-11 00:25:10,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:10,132 INFO L93 Difference]: Finished difference Result 194 states and 439 transitions.
[2021-10-11 00:25:10,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-10-11 00:25:10,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18
[2021-10-11 00:25:10,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:10,137 INFO L225 Difference]: With dead ends: 194
[2021-10-11 00:25:10,137 INFO L226 Difference]: Without dead ends: 127
[2021-10-11 00:25:10,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:25:10,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states.
[2021-10-11 00:25:10,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125.
[2021-10-11 00:25:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states.
[2021-10-11 00:25:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions.
[2021-10-11 00:25:10,143 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 18
[2021-10-11 00:25:10,143 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:10,143 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions.
[2021-10-11 00:25:10,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:25:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions.
[2021-10-11 00:25:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-11 00:25:10,144 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:10,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:10,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-10-11 00:25:10,145 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:10,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:10,146 INFO L82 PathProgramCache]: Analyzing trace with hash -780782352, now seen corresponding path program 2 times
[2021-10-11 00:25:10,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:10,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898634729]
[2021-10-11 00:25:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:10,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898634729]
[2021-10-11 00:25:10,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:10,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-11 00:25:10,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932377704]
[2021-10-11 00:25:10,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states
[2021-10-11 00:25:10,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:10,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-10-11 00:25:10,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:25:10,259 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states.
[2021-10-11 00:25:10,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:10,344 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions.
[2021-10-11 00:25:10,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-10-11 00:25:10,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18
[2021-10-11 00:25:10,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:10,346 INFO L225 Difference]: With dead ends: 120
[2021-10-11 00:25:10,346 INFO L226 Difference]: Without dead ends: 71
[2021-10-11 00:25:10,347 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56
[2021-10-11 00:25:10,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2021-10-11 00:25:10,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2021-10-11 00:25:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states.
[2021-10-11 00:25:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions.
[2021-10-11 00:25:10,349 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18
[2021-10-11 00:25:10,349 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:10,350 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions.
[2021-10-11 00:25:10,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states.
[2021-10-11 00:25:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions.
[2021-10-11 00:25:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-10-11 00:25:10,350 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:25:10,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:10,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-11 00:25:10,351 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:25:10,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:10,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1285342776, now seen corresponding path program 1 times
[2021-10-11 00:25:10,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:10,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772980201]
[2021-10-11 00:25:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:10,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772980201]
[2021-10-11 00:25:10,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:10,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:10,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130005635]
[2021-10-11 00:25:10,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:25:10,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:10,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:25:10,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:25:10,429 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states.
[2021-10-11 00:25:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:10,463 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions.
[2021-10-11 00:25:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-10-11 00:25:10,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20
[2021-10-11 00:25:10,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:10,463 INFO L225 Difference]: With dead ends: 70
[2021-10-11 00:25:10,464 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:25:10,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:25:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:25:10,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:25:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:25:10,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20
[2021-10-11 00:25:10,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:10,465 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:25:10,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:25:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:25:10,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:25:10,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-10-11 00:25:10,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:10 BasicIcfg
[2021-10-11 00:25:10,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:25:10,469 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:25:10,470 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:25:10,470 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:25:10,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:02" (3/4) ...
[2021-10-11 00:25:10,473 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:25:10,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2021-10-11 00:25:10,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2021-10-11 00:25:10,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2021-10-11 00:25:10,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2021-10-11 00:25:10,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2021-10-11 00:25:10,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:25:10,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:25:10,489 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:25:10,532 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a8ba866-a722-4f86-8ee7-b1cdebe16048/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:25:10,532 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:25:10,533 INFO L168 Benchmark]: Toolchain (without parser) took 9488.94 ms. Allocated memory was 90.2 MB in the beginning and 184.5 MB in the end (delta: 94.4 MB). Free memory was 55.5 MB in the beginning and 58.4 MB in the end (delta: -2.9 MB). Peak memory consumption was 90.8 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,534 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.40 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 55.3 MB in the beginning and 74.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.75 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,535 INFO L168 Benchmark]: Boogie Preprocessor took 36.03 ms. Allocated memory is still 119.5 MB. Free memory was 72.3 MB in the beginning and 70.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,535 INFO L168 Benchmark]: RCFGBuilder took 744.66 ms. Allocated memory is still 119.5 MB. Free memory was 70.8 MB in the beginning and 47.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,536 INFO L168 Benchmark]: TraceAbstraction took 7874.97 ms. Allocated memory was 119.5 MB in the beginning and 184.5 MB in the end (delta: 65.0 MB). Free memory was 47.1 MB in the beginning and 61.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,536 INFO L168 Benchmark]: Witness Printer took 62.49 ms. Allocated memory is still 184.5 MB. Free memory was 61.6 MB in the beginning and 58.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:10,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 62.8 MB in the beginning and 62.7 MB in the end (delta: 26.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 707.40 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 55.3 MB in the beginning and 74.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 55.75 ms. Allocated memory is still 119.5 MB. Free memory was 74.4 MB in the beginning and 72.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 36.03 ms. Allocated memory is still 119.5 MB. Free memory was 72.3 MB in the beginning and 70.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 744.66 ms. Allocated memory is still 119.5 MB. Free memory was 70.8 MB in the beginning and 47.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 7874.97 ms. Allocated memory was 119.5 MB in the beginning and 184.5 MB in the end (delta: 65.0 MB). Free memory was 47.1 MB in the beginning and 61.6 MB in the end (delta: -14.5 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 62.49 ms. Allocated memory is still 184.5 MB. Free memory was 61.6 MB in the beginning and 58.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
1172 VarBasedMoverChecksPositive, 55 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 38 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 75 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 97 PlacesBefore, 38 PlacesAfterwards, 86 TransitionsBefore, 25 TransitionsAfterwards, 1866 CoEnabledTransitionPairs, 6 FixpointIterations, 18 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 2 ChoiceCompositions, 68 TotalNumberOfCompositions, 2978 MoverChecksTotal
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.6s, OverallIterations: 13, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 283 SDtfs, 313 SDslu, 410 SDs, 0 SdLazy, 234 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 248 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 10828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...