./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.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_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/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_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/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_291a2999-de4b-4a89-b907-86ef253b1fee/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 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7
--- 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 20:17:31,076 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:17:31,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:17:31,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:17:31,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:17:31,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:17:31,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:17:31,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:17:31,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:17:31,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:17:31,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:17:31,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:17:31,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:17:31,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:17:31,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:17:31,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:17:31,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:17:31,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:17:31,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:17:31,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:17:31,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:17:31,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:17:31,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:17:31,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:17:31,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:17:31,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:17:31,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:17:31,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:17:31,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:17:31,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:17:31,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:17:31,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:17:31,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:17:31,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:17:31,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:17:31,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:17:31,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:17:31,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:17:31,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:17:31,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:17:31,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:17:31,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:17:31,249 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:17:31,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:17:31,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:17:31,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:17:31,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:17:31,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:17:31,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:17:31,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:17:31,254 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:17:31,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:17:31,255 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:17:31,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:17:31,256 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:17:31,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:17:31,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:17:31,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:17:31,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:17:31,257 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:17:31,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:17:31,257 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:17:31,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:17:31,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:17:31,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:17:31,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:17:31,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:31,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:17:31,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:17:31,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:17:31,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:17:31,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:17:31,260 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:17:31,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:17:31,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:17:31,261 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_291a2999-de4b-4a89-b907-86ef253b1fee/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7
[2022-11-02 20:17:31,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:17:31,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:17:31,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:17:31,578 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:17:31,581 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:17:31,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-regression/test24-1.c
[2022-11-02 20:17:31,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/data/66768f6bc/7978105735d34c7bbc36c4ed5515fa6d/FLAGda1a98bbe
[2022-11-02 20:17:32,149 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:17:32,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/sv-benchmarks/c/ldv-regression/test24-1.c
[2022-11-02 20:17:32,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/data/66768f6bc/7978105735d34c7bbc36c4ed5515fa6d/FLAGda1a98bbe
[2022-11-02 20:17:32,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/data/66768f6bc/7978105735d34c7bbc36c4ed5515fa6d
[2022-11-02 20:17:32,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:17:32,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:17:32,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:32,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:17:32,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:17:32,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f11f26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32, skipping insertion in model container
[2022-11-02 20:17:32,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:17:32,550 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:17:32,751 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_291a2999-de4b-4a89-b907-86ef253b1fee/sv-benchmarks/c/ldv-regression/test24-1.c[704,717]
[2022-11-02 20:17:32,755 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:32,763 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:17:32,779 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_291a2999-de4b-4a89-b907-86ef253b1fee/sv-benchmarks/c/ldv-regression/test24-1.c[704,717]
[2022-11-02 20:17:32,780 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:32,794 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:17:32,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32 WrapperNode
[2022-11-02 20:17:32,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:32,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:32,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:17:32,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:17:32,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,839 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2022-11-02 20:17:32,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:32,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:17:32,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:17:32,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:17:32,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:17:32,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:17:32,881 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:17:32,881 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:17:32,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (1/1) ...
[2022-11-02 20:17:32,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:32,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:32,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:17:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:17:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:17:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:17:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:17:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:17:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:17:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:17:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:17:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:17:33,070 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:17:33,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:17:33,193 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:17:33,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:17:33,200 INFO L300 CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-02 20:17:33,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:33 BoogieIcfgContainer
[2022-11-02 20:17:33,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:17:33,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:17:33,204 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:17:33,208 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:17:33,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:17:32" (1/3) ...
[2022-11-02 20:17:33,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109467bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:33, skipping insertion in model container
[2022-11-02 20:17:33,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:32" (2/3) ...
[2022-11-02 20:17:33,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109467bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:33, skipping insertion in model container
[2022-11-02 20:17:33,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:33" (3/3) ...
[2022-11-02 20:17:33,212 INFO L112 eAbstractionObserver]: Analyzing ICFG test24-1.c
[2022-11-02 20:17:33,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:17:33,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:17:33,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:17:33,350 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;@6d6381e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:17:33,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:17:33,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:33,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:17:33,361 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:33,362 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:33,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash 126985497, now seen corresponding path program 1 times
[2022-11-02 20:17:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:33,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314194142]
[2022-11-02 20:17:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:33,628 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 20:17:33,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:33,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314194142]
[2022-11-02 20:17:33,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314194142] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:17:33,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:17:33,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:17:33,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177682196]
[2022-11-02 20:17:33,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:17:33,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:17:33,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:17:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:17:33,683 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 13 states have internal predecessors, (17), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:33,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:33,697 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions.
[2022-11-02 20:17:33,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:17:33,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8
[2022-11-02 20:17:33,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:33,707 INFO L225 Difference]: With dead ends: 23
[2022-11-02 20:17:33,708 INFO L226 Difference]: Without dead ends: 10
[2022-11-02 20:17:33,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 20:17:33,714 INFO L413 NwaCegarLoop]: 15 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, 15 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 20:17:33,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:17:33,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2022-11-02 20:17:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2022-11-02 20:17:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2022-11-02 20:17:33,752 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8
[2022-11-02 20:17:33,753 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:33,753 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2022-11-02 20:17:33,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2022-11-02 20:17:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-02 20:17:33,754 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:33,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:33,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:17:33,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:33,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:33,756 INFO L85 PathProgramCache]: Analyzing trace with hash -564424753, now seen corresponding path program 1 times
[2022-11-02 20:17:33,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:33,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414868144]
[2022-11-02 20:17:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:34,188 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 20:17:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:34,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414868144]
[2022-11-02 20:17:34,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414868144] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:17:34,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:17:34,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:17:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784542576]
[2022-11-02 20:17:34,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:17:34,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:17:34,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:34,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:17:34,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:17:34,192 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:34,230 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2022-11-02 20:17:34,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:17:34,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 9
[2022-11-02 20:17:34,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:34,232 INFO L225 Difference]: With dead ends: 17
[2022-11-02 20:17:34,232 INFO L226 Difference]: Without dead ends: 12
[2022-11-02 20:17:34,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:17:34,233 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:17:34,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:17:34,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2022-11-02 20:17:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2022-11-02 20:17:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2022-11-02 20:17:34,238 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 9
[2022-11-02 20:17:34,238 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:34,238 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2022-11-02 20:17:34,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2022-11-02 20:17:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:17:34,239 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:34,240 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:34,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:17:34,240 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash 263489748, now seen corresponding path program 1 times
[2022-11-02 20:17:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:34,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326074342]
[2022-11-02 20:17:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:34,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:34,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326074342]
[2022-11-02 20:17:34,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326074342] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:17:34,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590737593]
[2022-11-02 20:17:34,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:34,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:34,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:17:34,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:17:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:35,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-11-02 20:17:35,016 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:17:35,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 9
[2022-11-02 20:17:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:35,290 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:17:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:35,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590737593] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:17:35,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:17:35,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16
[2022-11-02 20:17:35,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800646648]
[2022-11-02 20:17:35,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:17:35,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-11-02 20:17:35,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:35,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-11-02 20:17:35,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240
[2022-11-02 20:17:35,401 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 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)
[2022-11-02 20:17:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:35,661 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions.
[2022-11-02 20:17:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-11-02 20:17:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 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 11
[2022-11-02 20:17:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:35,663 INFO L225 Difference]: With dead ends: 21
[2022-11-02 20:17:35,663 INFO L226 Difference]: Without dead ends: 16
[2022-11-02 20:17:35,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380
[2022-11-02 20:17:35,664 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:17:35,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 51 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 7 Unchecked, 0.1s Time]
[2022-11-02 20:17:35,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2022-11-02 20:17:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2022-11-02 20:17:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2022-11-02 20:17:35,670 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 11
[2022-11-02 20:17:35,670 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:35,671 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2022-11-02 20:17:35,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 16 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)
[2022-11-02 20:17:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2022-11-02 20:17:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-11-02 20:17:35,672 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:35,672 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:35,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:17:35,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:35,873 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:35,874 INFO L85 PathProgramCache]: Analyzing trace with hash -919715042, now seen corresponding path program 2 times
[2022-11-02 20:17:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:35,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828746625]
[2022-11-02 20:17:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:36,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:36,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828746625]
[2022-11-02 20:17:36,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828746625] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:17:36,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717054642]
[2022-11-02 20:17:36,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-02 20:17:36,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:36,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:36,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:17:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:17:36,321 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-02 20:17:36,321 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:17:36,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjunts are in the unsatisfiable core
[2022-11-02 20:17:36,324 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:17:36,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17
[2022-11-02 20:17:36,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 9
[2022-11-02 20:17:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:36,712 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:17:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:36,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717054642] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:17:36,856 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:17:36,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 19
[2022-11-02 20:17:36,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581574007]
[2022-11-02 20:17:36,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:17:36,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2022-11-02 20:17:36,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:36,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2022-11-02 20:17:36,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342
[2022-11-02 20:17:36,859 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:37,102 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions.
[2022-11-02 20:17:37,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2022-11-02 20:17:37,104 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 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 15
[2022-11-02 20:17:37,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:37,105 INFO L225 Difference]: With dead ends: 29
[2022-11-02 20:17:37,105 INFO L226 Difference]: Without dead ends: 24
[2022-11-02 20:17:37,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=248, Invalid=508, Unknown=0, NotChecked=0, Total=756
[2022-11-02 20:17:37,106 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 19 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 27 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:17:37,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 21 Invalid, 0 Unknown, 27 Unchecked, 0.0s Time]
[2022-11-02 20:17:37,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2022-11-02 20:17:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2022-11-02 20:17:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 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)
[2022-11-02 20:17:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions.
[2022-11-02 20:17:37,113 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 15
[2022-11-02 20:17:37,113 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:37,113 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions.
[2022-11-02 20:17:37,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 19 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions.
[2022-11-02 20:17:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-02 20:17:37,114 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:37,115 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:37,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2022-11-02 20:17:37,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:37,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:37,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:37,328 INFO L85 PathProgramCache]: Analyzing trace with hash 607492274, now seen corresponding path program 3 times
[2022-11-02 20:17:37,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:37,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617520320]
[2022-11-02 20:17:37,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:17:37,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:37,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617520320]
[2022-11-02 20:17:37,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617520320] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:17:37,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644701685]
[2022-11-02 20:17:37,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-11-02 20:17:37,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:37,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:37,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:17:37,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:17:37,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2022-11-02 20:17:37,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:17:37,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjunts are in the unsatisfiable core
[2022-11-02 20:17:37,645 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:17:37,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22
[2022-11-02 20:17:38,069 INFO L356 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2022-11-02 20:17:38,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 29
[2022-11-02 20:17:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2022-11-02 20:17:38,122 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:17:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2022-11-02 20:17:38,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644701685] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:17:38,534 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:17:38,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 24
[2022-11-02 20:17:38,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870258828]
[2022-11-02 20:17:38,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:17:38,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2022-11-02 20:17:38,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:38,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2022-11-02 20:17:38,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552
[2022-11-02 20:17:38,539 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:39,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:39,741 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions.
[2022-11-02 20:17:39,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2022-11-02 20:17:39,742 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 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 23
[2022-11-02 20:17:39,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:39,742 INFO L225 Difference]: With dead ends: 29
[2022-11-02 20:17:39,742 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:17:39,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=433, Invalid=1289, Unknown=0, NotChecked=0, Total=1722
[2022-11-02 20:17:39,744 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 54 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:17:39,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 9 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 54 Unchecked, 0.1s Time]
[2022-11-02 20:17:39,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:17:39,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:17:39,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:39,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:17:39,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23
[2022-11-02 20:17:39,746 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:39,746 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:17:39,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.7083333333333333) internal successors, (41), 24 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:17:39,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:17:39,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:17:39,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:17:39,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:17:39,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:17:39,970 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:17:40,062 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:17:40,062 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2022-11-02 20:17:40,062 INFO L899 garLoopResultBuilder]: For program point L23(lines 23 34) no Hoare annotation was computed.
[2022-11-02 20:17:40,062 INFO L899 garLoopResultBuilder]: For program point L23-2(lines 23 34) no Hoare annotation was computed.
[2022-11-02 20:17:40,062 INFO L895 garLoopResultBuilder]: At program point L13(lines 11 14) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_check_#res#1|) (exists ((|aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55| Int) (|aux_div_ULTIMATE.start_main_~pa~0#1.offset_91| Int)) (let ((.cse1 (* |aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55| 8))) (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~#ad1~0#1.base|) (+ (* |aux_div_ULTIMATE.start_main_~pa~0#1.offset_91| 8) .cse1 |ULTIMATE.start_main_~#ad1~0#1.offset|)))) (and (= |aux_div_ULTIMATE.start_main_~pa~0#1.offset_91| .cse0) (<= |ULTIMATE.start_main_~i~0#1| .cse0) (< .cse1 8) (<= 0 .cse1) (<= .cse0 |ULTIMATE.start_main_~i~0#1|))))))
[2022-11-02 20:17:40,063 INFO L895 garLoopResultBuilder]: At program point L32(lines 17 40) the Hoare annotation is: false
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point L28-1(lines 28 30) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L895 garLoopResultBuilder]: At program point L28-3(lines 28 30) the Hoare annotation is: (and (= |ULTIMATE.start_main_~pa~0#1.base| |ULTIMATE.start_main_~#ad1~0#1.base|) (= (mod (+ (* 7 |ULTIMATE.start_main_~#ad1~0#1.offset|) |ULTIMATE.start_main_~pa~0#1.offset|) 8) 0) (= |ULTIMATE.start_main_~#ad1~0#1.offset| 0) (let ((.cse0 (div (+ (- |ULTIMATE.start_main_~#ad1~0#1.offset|) |ULTIMATE.start_main_~pa~0#1.offset|) 8))) (= .cse0 (select (select |#memory_int| |ULTIMATE.start_main_~#ad1~0#1.base|) (+ (* .cse0 8) |ULTIMATE.start_main_~#ad1~0#1.offset|)))) (<= |ULTIMATE.start_main_~i~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~pa~0#1.base|) |ULTIMATE.start_main_~pa~0#1.offset|)))
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 30) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed.
[2022-11-02 20:17:40,063 INFO L902 garLoopResultBuilder]: At program point L39(lines 16 40) the Hoare annotation is: true
[2022-11-02 20:17:40,067 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1]
[2022-11-02 20:17:40,069 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:17:40,076 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,077 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,078 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,079 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,087 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,088 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,089 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:17:40 BoogieIcfgContainer
[2022-11-02 20:17:40,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:17:40,096 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:17:40,096 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:17:40,097 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:17:40,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:33" (3/4) ...
[2022-11-02 20:17:40,100 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:17:40,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2022-11-02 20:17:40,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2022-11-02 20:17:40,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:17:40,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:17:40,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1 <= \result && (\exists aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 : int, aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 : int :: (((aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 == unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1] && i <= unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1]) && aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 < 8) && 0 <= aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8) && unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1] <= i)
[2022-11-02 20:17:40,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:17:40,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:17:40,158 INFO L158 Benchmark]: Toolchain (without parser) took 7649.36ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 48.3MB in the beginning and 75.1MB in the end (delta: -26.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,158 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:40,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.49ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 62.8MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.88ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,159 INFO L158 Benchmark]: Boogie Preprocessor took 40.50ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,160 INFO L158 Benchmark]: RCFGBuilder took 321.15ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 50.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,160 INFO L158 Benchmark]: TraceAbstraction took 6891.37ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 49.3MB in the beginning and 78.3MB in the end (delta: -28.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,160 INFO L158 Benchmark]: Witness Printer took 60.87ms. Allocated memory is still 125.8MB. Free memory was 78.3MB in the beginning and 75.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:17:40,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 284.49ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 62.8MB in the end (delta: -14.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.88ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 61.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.50ms. Allocated memory is still 86.0MB. Free memory was 61.0MB in the beginning and 59.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 321.15ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 50.0MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 6891.37ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 49.3MB in the beginning and 78.3MB in the end (delta: -28.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB.
* Witness Printer took 60.87ms. Allocated memory is still 125.8MB. Free memory was 78.3MB in the beginning and 75.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
* 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
- PositiveResult [Line: 38]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 88 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 40 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 73 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 627 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=4, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 14 NumberOfFragments, 104 HoareAnnotationTreeSize, 4 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 446 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 115 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 153 ConstructedInterpolants, 26 QuantifiedInterpolants, 1942 SizeOfPredicates, 32 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 85/210 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 11]: Loop Invariant
[2022-11-02 20:17:40,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,190 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,191 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,193 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,194 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,195 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,196 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,197 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
[2022-11-02 20:17:40,198 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_ULTIMATE.start_main_~pa~0#1.offset_91,QUANTIFIED]
[2022-11-02 20:17:40,199 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55,QUANTIFIED]
Derived loop invariant: 1 <= \result && (\exists aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 : int, aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 : int :: (((aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 == unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1] && i <= unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1]) && aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 < 8) && 0 <= aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8) && unknown-#memory_int-unknown[ad1][aux_div_ULTIMATE.start_main_~pa~0#1.offset_91 * 8 + aux_div_aux_mod_ULTIMATE.start_main_~pa~0#1.offset_91_55 * 8 + ad1] <= i)
- InvariantResult [Line: 28]: Loop Invariant
Derived loop invariant: (((pa == ad1 && (7 * ad1 + pa) % 8 == 0) && ad1 == 0) && (-ad1 + pa) / 8 == unknown-#memory_int-unknown[ad1][(-ad1 + pa) / 8 * 8 + ad1]) && i <= unknown-#memory_int-unknown[pa][pa]
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:17:40,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_291a2999-de4b-4a89-b907-86ef253b1fee/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE