./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt --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 d4f2c10412898020e67c12179bced9360b20e7f0
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 00:41:01,725 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 00:41:01,727 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 00:41:01,759 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 00:41:01,759 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 00:41:01,761 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 00:41:01,763 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 00:41:01,765 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 00:41:01,767 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 00:41:01,768 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 00:41:01,770 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 00:41:01,771 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 00:41:01,772 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 00:41:01,773 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 00:41:01,775 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 00:41:01,776 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 00:41:01,777 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 00:41:01,778 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 00:41:01,781 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 00:41:01,786 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 00:41:01,788 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 00:41:01,791 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 00:41:01,792 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 00:41:01,793 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 00:41:01,797 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 00:41:01,798 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 00:41:01,798 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 00:41:01,799 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 00:41:01,800 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 00:41:01,801 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 00:41:01,801 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 00:41:01,802 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 00:41:01,803 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 00:41:01,804 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 00:41:01,805 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 00:41:01,806 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 00:41:01,806 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 00:41:01,807 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 00:41:01,807 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 00:41:01,808 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 00:41:01,809 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 00:41:01,810 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-13 00:41:01,836 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 00:41:01,836 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 00:41:01,837 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 00:41:01,837 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 00:41:01,839 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 00:41:01,839 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 00:41:01,839 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 00:41:01,840 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 00:41:01,840 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 00:41:01,841 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 00:41:01,841 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 00:41:01,841 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 00:41:01,842 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 00:41:01,842 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 00:41:01,842 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 00:41:01,843 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 00:41:01,843 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 00:41:01,843 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 00:41:01,843 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 00:41:01,844 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 00:41:01,844 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 00:41:01,844 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 00:41:01,844 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:41:01,844 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 00:41:01,845 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 00:41:01,845 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 00:41:01,845 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 00:41:01,845 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 00:41:01,846 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 00:41:01,846 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 00:41:01,846 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_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/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_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt
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 -> d4f2c10412898020e67c12179bced9360b20e7f0
[2021-10-13 00:41:02,077 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 00:41:02,098 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 00:41:02,100 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 00:41:02,102 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 00:41:02,102 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 00:41:02,103 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c
[2021-10-13 00:41:02,178 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/data/e5fc0090d/6ca3056191234526ac7eaa11ab511d5c/FLAGff8394e7e
[2021-10-13 00:41:02,726 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 00:41:02,727 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c
[2021-10-13 00:41:02,749 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/data/e5fc0090d/6ca3056191234526ac7eaa11ab511d5c/FLAGff8394e7e
[2021-10-13 00:41:03,027 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/data/e5fc0090d/6ca3056191234526ac7eaa11ab511d5c
[2021-10-13 00:41:03,030 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 00:41:03,031 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 00:41:03,032 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 00:41:03,033 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 00:41:03,036 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 00:41:03,037 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,038 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d711d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03, skipping insertion in model container
[2021-10-13 00:41:03,038 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,045 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 00:41:03,088 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 00:41:03,321 WARN  L228   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_aeed782e-e60c-4005-878f-10540d6ed87d/sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c[2573,2586]
[2021-10-13 00:41:03,412 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:41:03,421 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 00:41:03,439 WARN  L228   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_aeed782e-e60c-4005-878f-10540d6ed87d/sv-benchmarks/c/product-lines/minepump_spec3_product43.cil.c[2573,2586]
[2021-10-13 00:41:03,547 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 00:41:03,572 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 00:41:03,572 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03 WrapperNode
[2021-10-13 00:41:03,574 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 00:41:03,575 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 00:41:03,576 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 00:41:03,576 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 00:41:03,583 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,612 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,653 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 00:41:03,654 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 00:41:03,654 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 00:41:03,655 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 00:41:03,663 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,663 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,683 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,683 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,695 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,702 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,705 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,710 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 00:41:03,711 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 00:41:03,711 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 00:41:03,711 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 00:41:03,721 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (1/1) ...
[2021-10-13 00:41:03,740 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 00:41:03,753 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 00:41:03,774 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 00:41:03,777 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 00:41:03,808 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 00:41:03,808 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 00:41:03,809 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 00:41:03,809 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 00:41:04,600 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 00:41:04,603 INFO  L299             CfgBuilder]: Removed 124 assume(true) statements.
[2021-10-13 00:41:04,605 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:41:04 BoogieIcfgContainer
[2021-10-13 00:41:04,606 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 00:41:04,608 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 00:41:04,609 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 00:41:04,613 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 00:41:04,613 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:41:03" (1/3) ...
[2021-10-13 00:41:04,614 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@944ebce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:41:04, skipping insertion in model container
[2021-10-13 00:41:04,615 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:41:03" (2/3) ...
[2021-10-13 00:41:04,615 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@944ebce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:41:04, skipping insertion in model container
[2021-10-13 00:41:04,615 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:41:04" (3/3) ...
[2021-10-13 00:41:04,617 INFO  L111   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43.cil.c
[2021-10-13 00:41:04,626 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 00:41:04,626 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations.
[2021-10-13 00:41:04,680 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-13 00:41:04,687 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-13 00:41:04,688 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2021-10-13 00:41:04,711 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 95 states, 91 states have (on average 1.5494505494505495) internal successors, (141), 94 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:04,721 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-13 00:41:04,722 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:04,723 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:41:04,723 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:04,729 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:04,729 INFO  L82        PathProgramCache]: Analyzing trace with hash 725412282, now seen corresponding path program 1 times
[2021-10-13 00:41:04,748 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:04,749 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355776102]
[2021-10-13 00:41:04,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:04,750 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:04,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:41:05,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:41:05,072 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:41:05,072 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355776102]
[2021-10-13 00:41:05,073 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355776102] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:41:05,073 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:41:05,073 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 00:41:05,078 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403260792]
[2021-10-13 00:41:05,086 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-13 00:41:05,087 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:41:05,102 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-13 00:41:05,103 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 00:41:05,106 INFO  L87              Difference]: Start difference. First operand  has 95 states, 91 states have (on average 1.5494505494505495) internal successors, (141), 94 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,155 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:41:05,155 INFO  L93              Difference]: Finished difference Result 184 states and 275 transitions.
[2021-10-13 00:41:05,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 00:41:05,157 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2021-10-13 00:41:05,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:41:05,168 INFO  L225             Difference]: With dead ends: 184
[2021-10-13 00:41:05,168 INFO  L226             Difference]: Without dead ends: 91
[2021-10-13 00:41:05,171 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 00:41:05,187 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2021-10-13 00:41:05,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2021-10-13 00:41:05,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 88 states have (on average 1.4659090909090908) internal successors, (129), 90 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,228 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions.
[2021-10-13 00:41:05,229 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 18
[2021-10-13 00:41:05,230 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:41:05,230 INFO  L470      AbstractCegarLoop]: Abstraction has 91 states and 129 transitions.
[2021-10-13 00:41:05,231 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions.
[2021-10-13 00:41:05,234 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-13 00:41:05,234 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:05,234 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-13 00:41:05,235 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 00:41:05,235 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:05,239 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:05,239 INFO  L82        PathProgramCache]: Analyzing trace with hash -185618471, now seen corresponding path program 1 times
[2021-10-13 00:41:05,239 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:05,240 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872922869]
[2021-10-13 00:41:05,240 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:05,240 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:05,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:41:05,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:41:05,374 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:41:05,374 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872922869]
[2021-10-13 00:41:05,374 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872922869] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:41:05,375 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:41:05,375 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-13 00:41:05,375 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811474696]
[2021-10-13 00:41:05,376 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 00:41:05,376 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:41:05,377 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 00:41:05,377 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 00:41:05,377 INFO  L87              Difference]: Start difference. First operand 91 states and 129 transitions. Second operand  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,387 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:41:05,387 INFO  L93              Difference]: Finished difference Result 91 states and 129 transitions.
[2021-10-13 00:41:05,387 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 00:41:05,388 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2021-10-13 00:41:05,388 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:41:05,389 INFO  L225             Difference]: With dead ends: 91
[2021-10-13 00:41:05,389 INFO  L226             Difference]: Without dead ends: 41
[2021-10-13 00:41:05,390 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 00:41:05,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2021-10-13 00:41:05,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2021-10-13 00:41:05,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 40 states have (on average 1.45) internal successors, (58), 40 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,394 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions.
[2021-10-13 00:41:05,395 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 19
[2021-10-13 00:41:05,395 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:41:05,395 INFO  L470      AbstractCegarLoop]: Abstraction has 41 states and 58 transitions.
[2021-10-13 00:41:05,395 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions.
[2021-10-13 00:41:05,396 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-13 00:41:05,396 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:05,397 INFO  L512         BasicCegarLoop]: 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]
[2021-10-13 00:41:05,397 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 00:41:05,397 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:05,404 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:05,405 INFO  L82        PathProgramCache]: Analyzing trace with hash -2096218593, now seen corresponding path program 1 times
[2021-10-13 00:41:05,405 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:05,405 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147701327]
[2021-10-13 00:41:05,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:05,406 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:05,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:41:05,559 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:41:05,559 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:41:05,559 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147701327]
[2021-10-13 00:41:05,560 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147701327] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:41:05,560 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:41:05,560 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2021-10-13 00:41:05,560 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626998293]
[2021-10-13 00:41:05,561 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-13 00:41:05,561 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:41:05,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-13 00:41:05,562 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-13 00:41:05,562 INFO  L87              Difference]: Start difference. First operand 41 states and 58 transitions. Second operand  has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,768 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:41:05,769 INFO  L93              Difference]: Finished difference Result 136 states and 199 transitions.
[2021-10-13 00:41:05,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 00:41:05,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2021-10-13 00:41:05,774 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:41:05,776 INFO  L225             Difference]: With dead ends: 136
[2021-10-13 00:41:05,776 INFO  L226             Difference]: Without dead ends: 101
[2021-10-13 00:41:05,777 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-13 00:41:05,777 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2021-10-13 00:41:05,793 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 62.
[2021-10-13 00:41:05,794 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 61 states have (on average 1.4754098360655739) internal successors, (90), 61 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions.
[2021-10-13 00:41:05,794 INFO  L78                 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 24
[2021-10-13 00:41:05,795 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:41:05,796 INFO  L470      AbstractCegarLoop]: Abstraction has 62 states and 90 transitions.
[2021-10-13 00:41:05,796 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,796 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions.
[2021-10-13 00:41:05,797 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-10-13 00:41:05,797 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:05,798 INFO  L512         BasicCegarLoop]: 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]
[2021-10-13 00:41:05,798 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-13 00:41:05,798 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:05,799 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:05,799 INFO  L82        PathProgramCache]: Analyzing trace with hash 68887907, now seen corresponding path program 1 times
[2021-10-13 00:41:05,799 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:05,799 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048605106]
[2021-10-13 00:41:05,799 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:05,800 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:05,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:41:05,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:41:05,898 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:41:05,899 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048605106]
[2021-10-13 00:41:05,901 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048605106] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:41:05,902 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:41:05,902 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 00:41:05,902 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400758004]
[2021-10-13 00:41:05,902 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-13 00:41:05,903 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:41:05,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-13 00:41:05,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 00:41:05,904 INFO  L87              Difference]: Start difference. First operand 62 states and 90 transitions. Second operand  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,942 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:41:05,942 INFO  L93              Difference]: Finished difference Result 141 states and 207 transitions.
[2021-10-13 00:41:05,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-13 00:41:05,942 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2021-10-13 00:41:05,943 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:41:05,946 INFO  L225             Difference]: With dead ends: 141
[2021-10-13 00:41:05,946 INFO  L226             Difference]: Without dead ends: 85
[2021-10-13 00:41:05,948 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-13 00:41:05,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2021-10-13 00:41:05,968 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83.
[2021-10-13 00:41:05,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 82 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,969 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions.
[2021-10-13 00:41:05,969 INFO  L78                 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 25
[2021-10-13 00:41:05,969 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:41:05,969 INFO  L470      AbstractCegarLoop]: Abstraction has 83 states and 118 transitions.
[2021-10-13 00:41:05,969 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:05,970 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions.
[2021-10-13 00:41:05,970 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-10-13 00:41:05,971 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:05,971 INFO  L512         BasicCegarLoop]: 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]
[2021-10-13 00:41:05,971 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-13 00:41:05,971 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:05,972 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:05,972 INFO  L82        PathProgramCache]: Analyzing trace with hash -192728908, now seen corresponding path program 1 times
[2021-10-13 00:41:05,972 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:05,972 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885029440]
[2021-10-13 00:41:05,972 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:05,973 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:06,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 00:41:06,059 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 00:41:06,059 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 00:41:06,060 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885029440]
[2021-10-13 00:41:06,060 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885029440] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 00:41:06,060 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 00:41:06,060 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 00:41:06,061 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892968424]
[2021-10-13 00:41:06,061 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-13 00:41:06,061 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 00:41:06,062 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-13 00:41:06,062 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-13 00:41:06,062 INFO  L87              Difference]: Start difference. First operand 83 states and 118 transitions. Second operand  has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:06,166 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-13 00:41:06,167 INFO  L93              Difference]: Finished difference Result 448 states and 656 transitions.
[2021-10-13 00:41:06,167 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 00:41:06,167 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27
[2021-10-13 00:41:06,168 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-13 00:41:06,170 INFO  L225             Difference]: With dead ends: 448
[2021-10-13 00:41:06,170 INFO  L226             Difference]: Without dead ends: 371
[2021-10-13 00:41:06,174 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.8ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2021-10-13 00:41:06,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 371 states.
[2021-10-13 00:41:06,213 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 150.
[2021-10-13 00:41:06,214 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 150 states, 149 states have (on average 1.4026845637583893) internal successors, (209), 149 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:06,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 209 transitions.
[2021-10-13 00:41:06,215 INFO  L78                 Accepts]: Start accepts. Automaton has 150 states and 209 transitions. Word has length 27
[2021-10-13 00:41:06,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-13 00:41:06,216 INFO  L470      AbstractCegarLoop]: Abstraction has 150 states and 209 transitions.
[2021-10-13 00:41:06,216 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 00:41:06,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 150 states and 209 transitions.
[2021-10-13 00:41:06,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-10-13 00:41:06,219 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-13 00:41:06,219 INFO  L512         BasicCegarLoop]: 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]
[2021-10-13 00:41:06,220 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-10-13 00:41:06,220 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-10-13 00:41:06,221 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 00:41:06,221 INFO  L82        PathProgramCache]: Analyzing trace with hash -1892992650, now seen corresponding path program 1 times
[2021-10-13 00:41:06,221 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 00:41:06,221 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252184018]
[2021-10-13 00:41:06,221 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 00:41:06,222 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 00:41:06,308 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:41:06,308 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 00:41:06,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 00:41:06,432 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 00:41:06,432 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-13 00:41:06,433 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:41:06,435 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:41:06,435 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 00:41:06,435 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-13 00:41:06,442 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 00:41:06,542 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:41:06 BoogieIcfgContainer
[2021-10-13 00:41:06,542 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 00:41:06,543 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 00:41:06,543 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 00:41:06,543 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 00:41:06,544 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:41:04" (3/4) ...
[2021-10-13 00:41:06,545 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-13 00:41:06,663 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/witness.graphml
[2021-10-13 00:41:06,664 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 00:41:06,665 INFO  L168              Benchmark]: Toolchain (without parser) took 3633.50 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 72.0 MB in the beginning and 117.1 MB in the end (delta: -45.1 MB). Peak memory consumption was 57.5 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,668 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,669 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 541.63 ms. Allocated memory is still 100.7 MB. Free memory was 72.0 MB in the beginning and 68.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,669 INFO  L168              Benchmark]: Boogie Procedure Inliner took 78.15 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 65.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,670 INFO  L168              Benchmark]: Boogie Preprocessor took 56.22 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 63.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,670 INFO  L168              Benchmark]: RCFGBuilder took 895.18 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 63.0 MB in the beginning and 72.4 MB in the end (delta: -9.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,671 INFO  L168              Benchmark]: TraceAbstraction took 1934.59 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 47.5 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,671 INFO  L168              Benchmark]: Witness Printer took 120.97 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 117.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB.
[2021-10-13 00:41:06,674 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory was 55.1 MB in the beginning and 55.1 MB in the end (delta: 62.5 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 541.63 ms. Allocated memory is still 100.7 MB. Free memory was 72.0 MB in the beginning and 68.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 78.15 ms. Allocated memory is still 100.7 MB. Free memory was 68.8 MB in the beginning and 65.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 56.22 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 63.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 895.18 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 63.0 MB in the beginning and 72.4 MB in the end (delta: -9.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1934.59 ms. Allocated memory is still 123.7 MB. Free memory was 71.8 MB in the beginning and 47.5 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB.
 * Witness Printer took 120.97 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 47.5 MB in the beginning and 117.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 150]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L42]               int cleanupTimeShifts  =    4;
[L361]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L599]              int pumpRunning  =    0;
[L600]              int systemActive  =    1;
[L851]              int waterLevel  =    1;
[L852]              int methaneLevelCritical  =    0;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L123]              int retValue_acc ;
[L124]              int tmp ;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L584]              int retValue_acc ;
[L587]              retValue_acc = 1
[L588]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L130]              tmp = valid_product()
[L132]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L785]              int splverifierCounter ;
[L786]              int tmp ;
[L787]              int tmp___0 ;
[L788]              int tmp___1 ;
[L789]              int tmp___2 ;
[L792]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L794]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L796]  COND TRUE   splverifierCounter < 4
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L802]              tmp = __VERIFIER_nondet_int()
[L804]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L869]  COND TRUE   waterLevel < 2
[L870]              waterLevel = waterLevel + 1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L812]              tmp___0 = __VERIFIER_nondet_int()
[L814]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L822]              tmp___2 = __VERIFIER_nondet_int()
[L824]  COND FALSE  !(\read(tmp___2))
[L828]              tmp___1 = __VERIFIER_nondet_int()
[L830]  COND TRUE   \read(tmp___1)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L772]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L779]              systemActive = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L606]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L613]  COND FALSE  !(\read(systemActive))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L159]              int tmp ;
[L160]              int tmp___0 ;
[L161]              int tmp___1 ;
[L890]              int retValue_acc ;
[L893]              retValue_acc = methaneLevelCritical
[L894]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L165]              tmp = isMethaneLevelCritical()
[L167]  COND FALSE  !(\read(tmp))
[L922]              int retValue_acc ;
[L925]              retValue_acc = waterLevel
[L926]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L171]              tmp___0 = getWaterLevel()
[L173]  COND TRUE   tmp___0 == 2
[L705]              int retValue_acc ;
[L708]              retValue_acc = pumpRunning
[L709]              return (retValue_acc);
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L175]              tmp___1 = isPumpRunning()
[L177]  COND FALSE  !(\read(tmp___1))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L150]              reach_error()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - UnprovableResult [Line: 150]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 150]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 95 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1763.7ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 24.7ms, AutomataDifference: 469.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 393 SDtfs, 536 SDslu, 549 SDs, 0 SdLazy, 72 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 192.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 67.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 127.2ms AutomataMinimizationTime, 5 MinimizatonAttempts, 262 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.3ms SsaConstructionTime, 330.1ms SatisfiabilityAnalysisTime, 411.1ms InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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!
[2021-10-13 00:41:06,725 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeed782e-e60c-4005-878f-10540d6ed87d/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...