./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc --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 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:27:11,457 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:27:11,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:27:11,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:27:11,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:27:11,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:27:11,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:27:11,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:27:11,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:27:11,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:27:11,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:27:11,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:27:11,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:27:11,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:27:11,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:27:11,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:27:11,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:27:11,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:27:11,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:27:11,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:27:11,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:27:11,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:27:11,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:27:11,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:27:11,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:27:11,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:27:11,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:27:11,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:27:11,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:27:11,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:27:11,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:27:11,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:27:11,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:27:11,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:27:11,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:27:11,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:27:11,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:27:11,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:27:11,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:27:11,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:27:11,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:27:11,569 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:27:11,591 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:27:11,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:27:11,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:27:11,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:27:11,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:27:11,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:27:11,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:27:11,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:27:11,594 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:27:11,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:27:11,594 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:27:11,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:27:11,595 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:27:11,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:27:11,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:27:11,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:27:11,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:27:11,609 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:27:11,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:27:11,610 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:27:11,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:27:11,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:27:11,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:27:11,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:27:11,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:27:11,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:27:11,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:27:11,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:27:11,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:27:11,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:27:11,614 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:27:11,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:27:11,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:27:11,614 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_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7291fd5b9449f17989061ec30bdd7b74e8732c40c8095270267a47672f4a66be
[2022-11-02 20:27:11,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:27:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:27:12,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:27:12,001 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:27:12,002 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:27:12,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c
[2022-11-02 20:27:12,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/data/cdfd72fef/aa73355ea3244034b71d600fbdb96dfe/FLAGa3b4c62dc
[2022-11-02 20:27:12,677 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:27:12,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c
[2022-11-02 20:27:12,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/data/cdfd72fef/aa73355ea3244034b71d600fbdb96dfe/FLAGa3b4c62dc
[2022-11-02 20:27:12,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/data/cdfd72fef/aa73355ea3244034b71d600fbdb96dfe
[2022-11-02 20:27:12,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:27:12,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:27:12,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:27:12,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:27:12,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:27:12,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:12" (1/1) ...
[2022-11-02 20:27:12,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416af488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:12, skipping insertion in model container
[2022-11-02 20:27:12,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:27:12" (1/1) ...
[2022-11-02 20:27:12,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:27:13,056 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:27:13,300 WARN L230 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_8da3bdfa-84ca-4373-9b43-a20ae3853078/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267]
[2022-11-02 20:27:13,371 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:27:13,380 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:27:13,452 WARN L230 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_8da3bdfa-84ca-4373-9b43-a20ae3853078/sv-benchmarks/c/product-lines/minepump_spec1_product50.cil.c[6254,6267]
[2022-11-02 20:27:13,514 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:27:13,533 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:27:13,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13 WrapperNode
[2022-11-02 20:27:13,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:27:13,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:27:13,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:27:13,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:27:13,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,607 INFO L138 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 254
[2022-11-02 20:27:13,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:27:13,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:27:13,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:27:13,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:27:13,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:27:13,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:27:13,648 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:27:13,648 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:27:13,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (1/1) ...
[2022-11-02 20:27:13,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:27:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:13,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:27:13,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:27:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:27:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2022-11-02 20:27:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2022-11-02 20:27:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2022-11-02 20:27:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2022-11-02 20:27:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2022-11-02 20:27:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2022-11-02 20:27:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2022-11-02 20:27:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2022-11-02 20:27:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:27:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2022-11-02 20:27:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2022-11-02 20:27:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2022-11-02 20:27:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:27:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2022-11-02 20:27:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2022-11-02 20:27:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:27:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:27:13,819 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:27:13,821 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:27:14,148 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:27:14,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:27:14,155 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:27:14,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:14 BoogieIcfgContainer
[2022-11-02 20:27:14,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:27:14,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:27:14,160 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:27:14,164 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:27:14,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:27:12" (1/3) ...
[2022-11-02 20:27:14,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eabfa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:14, skipping insertion in model container
[2022-11-02 20:27:14,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:27:13" (2/3) ...
[2022-11-02 20:27:14,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eabfa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:27:14, skipping insertion in model container
[2022-11-02 20:27:14,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:14" (3/3) ...
[2022-11-02 20:27:14,167 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product50.cil.c
[2022-11-02 20:27:14,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:27:14,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:27:14,265 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:27:14,297 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c43505b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:27:14,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:27:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2022-11-02 20:27:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-02 20:27:14,313 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:14,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:14,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:14,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:14,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1284973020, now seen corresponding path program 1 times
[2022-11-02 20:27:14,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:14,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252863985]
[2022-11-02 20:27:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2022-11-02 20:27:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:14,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:14,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:14,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252863985]
[2022-11-02 20:27:14,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252863985] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:14,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:14,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:27:14,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103781053]
[2022-11-02 20:27:14,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:14,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:27:14,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:14,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:27:14,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:27:14,735 INFO L87 Difference]: Start difference. First operand has 87 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 75 states have internal predecessors, (93), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:14,791 INFO L93 Difference]: Finished difference Result 166 states and 225 transitions.
[2022-11-02 20:27:14,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:27:14,793 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23
[2022-11-02 20:27:14,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:14,805 INFO L225 Difference]: With dead ends: 166
[2022-11-02 20:27:14,805 INFO L226 Difference]: Without dead ends: 78
[2022-11-02 20:27:14,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:27:14,814 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:14,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:27:14,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2022-11-02 20:27:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2022-11-02 20:27:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10)
[2022-11-02 20:27:14,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions.
[2022-11-02 20:27:14,887 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 23
[2022-11-02 20:27:14,887 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:14,887 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions.
[2022-11-02 20:27:14,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:14,887 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions.
[2022-11-02 20:27:14,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2022-11-02 20:27:14,889 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:14,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:14,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:27:14,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash -489560550, now seen corresponding path program 1 times
[2022-11-02 20:27:14,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:14,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619335850]
[2022-11-02 20:27:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2022-11-02 20:27:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:15,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:15,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619335850]
[2022-11-02 20:27:15,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619335850] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:15,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:15,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:27:15,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722114262]
[2022-11-02 20:27:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:15,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:15,105 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:15,130 INFO L93 Difference]: Finished difference Result 121 states and 155 transitions.
[2022-11-02 20:27:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:15,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2022-11-02 20:27:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:15,134 INFO L225 Difference]: With dead ends: 121
[2022-11-02 20:27:15,134 INFO L226 Difference]: Without dead ends: 69
[2022-11-02 20:27:15,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:15,137 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 13 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:15,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 157 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:27:15,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2022-11-02 20:27:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2022-11-02 20:27:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 61 states have internal predecessors, (72), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:27:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 88 transitions.
[2022-11-02 20:27:15,147 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 88 transitions. Word has length 24
[2022-11-02 20:27:15,148 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:15,148 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 88 transitions.
[2022-11-02 20:27:15,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions.
[2022-11-02 20:27:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2022-11-02 20:27:15,150 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:15,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:15,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:27:15,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:15,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:15,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1301531266, now seen corresponding path program 1 times
[2022-11-02 20:27:15,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:15,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706353181]
[2022-11-02 20:27:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:15,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:15,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:15,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706353181]
[2022-11-02 20:27:15,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706353181] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:15,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:15,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:27:15,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223486510]
[2022-11-02 20:27:15,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:15,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:15,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:15,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:15,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:15,243 INFO L87 Difference]: Start difference. First operand 69 states and 88 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:15,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:15,262 INFO L93 Difference]: Finished difference Result 131 states and 170 transitions.
[2022-11-02 20:27:15,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:15,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29
[2022-11-02 20:27:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:15,264 INFO L225 Difference]: With dead ends: 131
[2022-11-02 20:27:15,264 INFO L226 Difference]: Without dead ends: 69
[2022-11-02 20:27:15,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:15,266 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 68 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:15,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 86 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:27:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2022-11-02 20:27:15,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2022-11-02 20:27:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 61 states have internal predecessors, (71), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8)
[2022-11-02 20:27:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions.
[2022-11-02 20:27:15,281 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 29
[2022-11-02 20:27:15,281 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:15,281 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions.
[2022-11-02 20:27:15,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2022-11-02 20:27:15,282 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions.
[2022-11-02 20:27:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2022-11-02 20:27:15,283 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:15,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:15,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:27:15,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:15,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:15,285 INFO L85 PathProgramCache]: Analyzing trace with hash 774759404, now seen corresponding path program 1 times
[2022-11-02 20:27:15,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:15,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90623491]
[2022-11-02 20:27:15,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:15,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2022-11-02 20:27:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30
[2022-11-02 20:27:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:15,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:15,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90623491]
[2022-11-02 20:27:15,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90623491] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:15,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:15,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:27:15,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688663955]
[2022-11-02 20:27:15,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:15,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:27:15,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:15,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:27:15,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:15,480 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2022-11-02 20:27:15,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:15,734 INFO L93 Difference]: Finished difference Result 203 states and 256 transitions.
[2022-11-02 20:27:15,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:27:15,735 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39
[2022-11-02 20:27:15,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:15,736 INFO L225 Difference]: With dead ends: 203
[2022-11-02 20:27:15,737 INFO L226 Difference]: Without dead ends: 141
[2022-11-02 20:27:15,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2022-11-02 20:27:15,739 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 155 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 281 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:27:15,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states.
[2022-11-02 20:27:15,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 135.
[2022-11-02 20:27:15,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 111 states have internal predecessors, (131), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19)
[2022-11-02 20:27:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 164 transitions.
[2022-11-02 20:27:15,760 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 164 transitions. Word has length 39
[2022-11-02 20:27:15,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:15,761 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 164 transitions.
[2022-11-02 20:27:15,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2022-11-02 20:27:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 164 transitions.
[2022-11-02 20:27:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2022-11-02 20:27:15,762 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:15,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:15,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:27:15,763 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:15,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:15,763 INFO L85 PathProgramCache]: Analyzing trace with hash -2013400487, now seen corresponding path program 1 times
[2022-11-02 20:27:15,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:15,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104029800]
[2022-11-02 20:27:15,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2022-11-02 20:27:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:15,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:15,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:15,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104029800]
[2022-11-02 20:27:15,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104029800] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:15,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:15,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:27:15,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842919544]
[2022-11-02 20:27:15,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:15,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:27:15,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:15,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:27:15,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:27:15,915 INFO L87 Difference]: Start difference. First operand 135 states and 164 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:16,128 INFO L93 Difference]: Finished difference Result 271 states and 333 transitions.
[2022-11-02 20:27:16,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:27:16,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43
[2022-11-02 20:27:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:16,139 INFO L225 Difference]: With dead ends: 271
[2022-11-02 20:27:16,139 INFO L226 Difference]: Without dead ends: 143
[2022-11-02 20:27:16,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2022-11-02 20:27:16,145 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 61 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:16,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 349 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:27:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2022-11-02 20:27:16,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 138.
[2022-11-02 20:27:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 114 states have internal predecessors, (134), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19)
[2022-11-02 20:27:16,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 167 transitions.
[2022-11-02 20:27:16,194 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 167 transitions. Word has length 43
[2022-11-02 20:27:16,194 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:16,195 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 167 transitions.
[2022-11-02 20:27:16,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 167 transitions.
[2022-11-02 20:27:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2022-11-02 20:27:16,200 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:16,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:16,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 20:27:16,201 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:16,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:16,203 INFO L85 PathProgramCache]: Analyzing trace with hash 287422103, now seen corresponding path program 1 times
[2022-11-02 20:27:16,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:16,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236780380]
[2022-11-02 20:27:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:16,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2022-11-02 20:27:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:16,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:16,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236780380]
[2022-11-02 20:27:16,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236780380] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:16,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:16,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:27:16,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792842215]
[2022-11-02 20:27:16,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:16,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 20:27:16,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:16,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:27:16,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:27:16,415 INFO L87 Difference]: Start difference. First operand 138 states and 167 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:16,569 INFO L93 Difference]: Finished difference Result 282 states and 348 transitions.
[2022-11-02 20:27:16,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:27:16,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43
[2022-11-02 20:27:16,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:16,571 INFO L225 Difference]: With dead ends: 282
[2022-11-02 20:27:16,571 INFO L226 Difference]: Without dead ends: 151
[2022-11-02 20:27:16,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90
[2022-11-02 20:27:16,573 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 135 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:16,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 270 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:27:16,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2022-11-02 20:27:16,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 140.
[2022-11-02 20:27:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 116 states have internal predecessors, (136), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19)
[2022-11-02 20:27:16,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions.
[2022-11-02 20:27:16,592 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 43
[2022-11-02 20:27:16,592 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:16,592 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions.
[2022-11-02 20:27:16,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions.
[2022-11-02 20:27:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2022-11-02 20:27:16,594 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:16,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:16,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 20:27:16,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:16,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:16,595 INFO L85 PathProgramCache]: Analyzing trace with hash -530226347, now seen corresponding path program 1 times
[2022-11-02 20:27:16,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:16,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738030254]
[2022-11-02 20:27:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:16,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2022-11-02 20:27:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:16,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:16,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738030254]
[2022-11-02 20:27:16,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738030254] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:16,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:16,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:27:16,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484424069]
[2022-11-02 20:27:16,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:16,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:27:16,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:27:16,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:16,695 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:16,911 INFO L93 Difference]: Finished difference Result 396 states and 500 transitions.
[2022-11-02 20:27:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:27:16,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43
[2022-11-02 20:27:16,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:16,914 INFO L225 Difference]: With dead ends: 396
[2022-11-02 20:27:16,914 INFO L226 Difference]: Without dead ends: 263
[2022-11-02 20:27:16,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:27:16,916 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 189 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:16,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 297 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:27:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2022-11-02 20:27:16,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 255.
[2022-11-02 20:27:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 196 states have (on average 1.239795918367347) internal successors, (243), 207 states have internal predecessors, (243), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44)
[2022-11-02 20:27:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 316 transitions.
[2022-11-02 20:27:16,946 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 316 transitions. Word has length 43
[2022-11-02 20:27:16,947 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:16,947 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 316 transitions.
[2022-11-02 20:27:16,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2022-11-02 20:27:16,947 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 316 transitions.
[2022-11-02 20:27:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2022-11-02 20:27:16,948 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:16,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:16,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 20:27:16,949 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:16,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:16,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1371224164, now seen corresponding path program 1 times
[2022-11-02 20:27:16,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:16,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061930287]
[2022-11-02 20:27:16,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:16,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2022-11-02 20:27:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2022-11-02 20:27:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36
[2022-11-02 20:27:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:17,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:17,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061930287]
[2022-11-02 20:27:17,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061930287] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:17,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:17,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:27:17,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595715977]
[2022-11-02 20:27:17,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:27:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:27:17,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:27:17,080 INFO L87 Difference]: Start difference. First operand 255 states and 316 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:27:17,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:17,390 INFO L93 Difference]: Finished difference Result 757 states and 968 transitions.
[2022-11-02 20:27:17,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2022-11-02 20:27:17,391 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45
[2022-11-02 20:27:17,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:17,394 INFO L225 Difference]: With dead ends: 757
[2022-11-02 20:27:17,395 INFO L226 Difference]: Without dead ends: 509
[2022-11-02 20:27:17,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210
[2022-11-02 20:27:17,396 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 144 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:17,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 342 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 20:27:17,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states.
[2022-11-02 20:27:17,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 489.
[2022-11-02 20:27:17,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 372 states have (on average 1.206989247311828) internal successors, (449), 393 states have internal predecessors, (449), 58 states have call successors, (58), 56 states have call predecessors, (58), 58 states have return successors, (93), 58 states have call predecessors, (93), 58 states have call successors, (93)
[2022-11-02 20:27:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 600 transitions.
[2022-11-02 20:27:17,462 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 600 transitions. Word has length 45
[2022-11-02 20:27:17,464 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:17,464 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 600 transitions.
[2022-11-02 20:27:17,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3)
[2022-11-02 20:27:17,465 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 600 transitions.
[2022-11-02 20:27:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2022-11-02 20:27:17,472 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:17,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:27:17,473 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:17,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1076354656, now seen corresponding path program 1 times
[2022-11-02 20:27:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:17,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741229952]
[2022-11-02 20:27:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2022-11-02 20:27:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2022-11-02 20:27:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2022-11-02 20:27:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2022-11-02 20:27:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:17,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:17,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741229952]
[2022-11-02 20:27:17,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741229952] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:17,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:17,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 20:27:17,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488377510]
[2022-11-02 20:27:17,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:17,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:27:17,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:17,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:27:17,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:27:17,673 INFO L87 Difference]: Start difference. First operand 489 states and 600 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-11-02 20:27:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:18,113 INFO L93 Difference]: Finished difference Result 511 states and 629 transitions.
[2022-11-02 20:27:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2022-11-02 20:27:18,114 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49
[2022-11-02 20:27:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:18,119 INFO L225 Difference]: With dead ends: 511
[2022-11-02 20:27:18,119 INFO L226 Difference]: Without dead ends: 509
[2022-11-02 20:27:18,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272
[2022-11-02 20:27:18,122 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 171 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:18,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 185 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 20:27:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states.
[2022-11-02 20:27:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 489.
[2022-11-02 20:27:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 372 states have (on average 1.196236559139785) internal successors, (445), 393 states have internal predecessors, (445), 58 states have call successors, (58), 56 states have call predecessors, (58), 58 states have return successors, (93), 58 states have call predecessors, (93), 58 states have call successors, (93)
[2022-11-02 20:27:18,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 596 transitions.
[2022-11-02 20:27:18,199 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 596 transitions. Word has length 49
[2022-11-02 20:27:18,200 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:18,200 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 596 transitions.
[2022-11-02 20:27:18,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2022-11-02 20:27:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 596 transitions.
[2022-11-02 20:27:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2022-11-02 20:27:18,203 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:18,203 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:18,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:27:18,204 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:27:18,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:18,205 INFO L85 PathProgramCache]: Analyzing trace with hash -540609749, now seen corresponding path program 1 times
[2022-11-02 20:27:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:18,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391364238]
[2022-11-02 20:27:18,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:27:18,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:27:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:27:18,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:27:18,291 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:27:18,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:27:18,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 20:27:18,297 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:18,301 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:27:18,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:27:18 BoogieIcfgContainer
[2022-11-02 20:27:18,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:27:18,376 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:27:18,376 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:27:18,377 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:27:18,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:27:14" (3/4) ...
[2022-11-02 20:27:18,379 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-02 20:27:18,443 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:27:18,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:27:18,444 INFO L158 Benchmark]: Toolchain (without parser) took 5488.88ms. Allocated memory was 102.8MB in the beginning and 165.7MB in the end (delta: 62.9MB). Free memory was 59.4MB in the beginning and 87.7MB in the end (delta: -28.3MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,445 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:27:18,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.05ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 67.9MB in the end (delta: -8.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.09ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,446 INFO L158 Benchmark]: Boogie Preprocessor took 38.25ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,446 INFO L158 Benchmark]: RCFGBuilder took 510.31ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 44.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,447 INFO L158 Benchmark]: TraceAbstraction took 4215.96ms. Allocated memory was 102.8MB in the beginning and 165.7MB in the end (delta: 62.9MB). Free memory was 44.3MB in the beginning and 91.9MB in the end (delta: -47.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,447 INFO L158 Benchmark]: Witness Printer took 67.47ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 87.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:27:18,449 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 577.05ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 67.9MB in the end (delta: -8.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 73.09ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 65.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 38.25ms. Allocated memory is still 102.8MB. Free memory was 65.1MB in the beginning and 63.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 510.31ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 44.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 4215.96ms. Allocated memory was 102.8MB in the beginning and 165.7MB in the end (delta: 62.9MB). Free memory was 44.3MB in the beginning and 91.9MB in the end (delta: -47.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB.
* Witness Printer took 67.47ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 87.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 398]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L86] int waterLevel = 1;
[L87] int methaneLevelCritical = 0;
[L189] int cleanupTimeShifts = 4;
[L405] int pumpRunning = 0;
[L406] int systemActive = 1;
[L779] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L268] int retValue_acc ;
[L269] int tmp ;
[L273] FCALL select_helpers()
[L274] FCALL select_features()
[L275] CALL, EXPR valid_product()
[L317] int retValue_acc ;
[L320] retValue_acc = 1
[L321] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L275] RET, EXPR valid_product()
[L275] tmp = valid_product()
[L277] COND TRUE \read(tmp)
[L279] FCALL setup()
[L280] CALL runTest()
[L259] CALL test()
[L328] int splverifierCounter ;
[L329] int tmp ;
[L330] int tmp___0 ;
[L331] int tmp___1 ;
[L332] int tmp___2 ;
[L335] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L337] COND TRUE 1
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L339] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L345] tmp = __VERIFIER_nondet_int()
[L347] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1]
[L349] CALL waterRise()
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L104] COND TRUE waterLevel < 2
[L105] waterLevel = waterLevel + 1
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L349] RET waterRise()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2]
[L355] tmp___0 = __VERIFIER_nondet_int()
[L357] COND TRUE \read(tmp___0)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2]
[L359] CALL changeMethaneLevel()
VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L116] COND FALSE !(\read(methaneLevelCritical))
[L119] methaneLevelCritical = 1
VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L359] RET changeMethaneLevel()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, waterLevel=2]
[L365] tmp___2 = __VERIFIER_nondet_int()
[L367] COND FALSE !(\read(tmp___2))
[L373] tmp___1 = __VERIFIER_nondet_int()
[L375] COND TRUE \read(tmp___1)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=1, tmp___1=1, tmp___2=0, waterLevel=2]
[L382] CALL timeShift()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L412] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L419] COND TRUE \read(systemActive)
[L421] CALL processEnvironment()
[L467] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L470] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L485] CALL processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L441] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L444] COND TRUE ! pumpRunning
[L446] CALL, EXPR isHighWaterLevel()
[L564] int retValue_acc ;
[L565] int tmp ;
[L566] int tmp___0 ;
[L570] CALL, EXPR isHighWaterSensorDry()
[L166] int retValue_acc ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2]
[L169] COND FALSE !(waterLevel < 2)
[L173] retValue_acc = 0
[L174] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L570] RET, EXPR isHighWaterSensorDry()
[L570] tmp = isHighWaterSensorDry()
[L572] COND FALSE !(\read(tmp))
[L575] tmp___0 = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L577] retValue_acc = tmp___0
[L578] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2]
[L446] RET, EXPR isHighWaterLevel()
[L446] tmp = isHighWaterLevel()
[L448] COND TRUE \read(tmp)
[L450] CALL activatePump()
[L495] pumpRunning = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L450] RET activatePump()
[L485] RET processEnvironment__wrappee__highWaterSensor()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L421] RET processEnvironment()
[L427] CALL __utac_acc__Specification1_spec__1()
[L54] int tmp ;
[L55] int tmp___0 ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L59] CALL, EXPR isMethaneLevelCritical()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L125] int retValue_acc ;
[L128] retValue_acc = methaneLevelCritical
[L129] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L59] RET, EXPR isMethaneLevelCritical()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
[L59] tmp = isMethaneLevelCritical()
[L61] COND TRUE \read(tmp)
[L63] CALL, EXPR isPumpRunning()
[L519] int retValue_acc ;
[L522] retValue_acc = pumpRunning
[L523] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2]
[L63] RET, EXPR isPumpRunning()
[L63] tmp___0 = isPumpRunning()
[L65] COND TRUE \read(tmp___0)
[L67] CALL __automaton_fail()
[L398] reach_error()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 8 procedures, 87 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 961 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 936 mSDsluCounter, 2076 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1200 mSDsCounter, 239 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 911 IncrementalHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 239 mSolverCounterUnsat, 876 mSDtfsCounter, 911 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=489occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 70 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 incorrect!
[2022-11-02 20:27:18,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da3bdfa-84ca-4373-9b43-a20ae3853078/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE