./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 38b53e6a
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_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1
--- 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-38b53e6
[2022-11-25 15:26:55,951 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-25 15:26:55,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-25 15:26:55,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-25 15:26:55,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-25 15:26:55,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-25 15:26:55,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-25 15:26:55,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-25 15:26:55,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-25 15:26:55,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-25 15:26:55,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-25 15:26:55,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-25 15:26:55,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-25 15:26:56,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-25 15:26:56,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-25 15:26:56,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-25 15:26:56,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-25 15:26:56,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-25 15:26:56,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-25 15:26:56,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-25 15:26:56,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-25 15:26:56,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-25 15:26:56,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-25 15:26:56,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-25 15:26:56,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-25 15:26:56,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-25 15:26:56,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-25 15:26:56,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-25 15:26:56,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-25 15:26:56,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-25 15:26:56,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-25 15:26:56,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-25 15:26:56,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-25 15:26:56,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-25 15:26:56,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-25 15:26:56,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-25 15:26:56,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-25 15:26:56,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-25 15:26:56,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-25 15:26:56,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-25 15:26:56,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-25 15:26:56,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-25 15:26:56,080 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-25 15:26:56,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-25 15:26:56,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-25 15:26:56,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-25 15:26:56,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-25 15:26:56,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-25 15:26:56,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-25 15:26:56,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-25 15:26:56,083 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-25 15:26:56,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-25 15:26:56,084 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-25 15:26:56,085 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-25 15:26:56,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-25 15:26:56,085 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-25 15:26:56,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-25 15:26:56,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-25 15:26:56,086 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-25 15:26:56,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-25 15:26:56,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-25 15:26:56,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-25 15:26:56,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-25 15:26:56,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 15:26:56,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-25 15:26:56,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-25 15:26:56,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-25 15:26:56,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-25 15:26:56,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-25 15:26:56,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-25 15:26:56,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-25 15:26:56,089 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-11-25 15:26:56,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-25 15:26:56,090 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1
[2022-11-25 15:26:56,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-25 15:26:56,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-25 15:26:56,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-25 15:26:56,374 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-25 15:26:56,374 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-25 15:26:56,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c
[2022-11-25 15:26:59,421 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-11-25 15:26:59,659 INFO L351 CDTParser]: Found 1 translation units.
[2022-11-25 15:26:59,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c
[2022-11-25 15:26:59,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/data/5680dd8a4/d148c9724bb74503ace5244519da1158/FLAG7b9d1142c
[2022-11-25 15:26:59,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/data/5680dd8a4/d148c9724bb74503ace5244519da1158
[2022-11-25 15:26:59,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-25 15:26:59,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-25 15:26:59,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-25 15:26:59,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-25 15:26:59,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-25 15:26:59,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c30304c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59, skipping insertion in model container
[2022-11-25 15:26:59,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-25 15:26:59,709 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-25 15:26:59,838 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 15:26:59,846 INFO L203 MainTranslator]: Completed pre-run
[2022-11-25 15:26:59,859 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-25 15:26:59,870 INFO L208 MainTranslator]: Completed translation
[2022-11-25 15:26:59,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59 WrapperNode
[2022-11-25 15:26:59,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-25 15:26:59,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-25 15:26:59,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-25 15:26:59,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-25 15:26:59,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,898 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75
[2022-11-25 15:26:59,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-25 15:26:59,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-25 15:26:59,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-25 15:26:59,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-25 15:26:59,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-25 15:26:59,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-25 15:26:59,926 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-25 15:26:59,926 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-25 15:26:59,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (1/1) ...
[2022-11-25 15:26:59,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-25 15:26:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:26:59,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-25 15:26:59,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-25 15:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-25 15:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-25 15:26:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-25 15:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-25 15:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-25 15:26:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-25 15:27:00,070 INFO L235 CfgBuilder]: Building ICFG
[2022-11-25 15:27:00,072 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-25 15:27:00,218 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-25 15:27:00,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-25 15:27:00,224 INFO L300 CfgBuilder]: Removed 3 assume(true) statements.
[2022-11-25 15:27:00,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:00 BoogieIcfgContainer
[2022-11-25 15:27:00,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-25 15:27:00,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-25 15:27:00,230 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-25 15:27:00,252 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-25 15:27:00,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:26:59" (1/3) ...
[2022-11-25 15:27:00,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54139802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:27:00, skipping insertion in model container
[2022-11-25 15:27:00,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:59" (2/3) ...
[2022-11-25 15:27:00,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54139802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:27:00, skipping insertion in model container
[2022-11-25 15:27:00,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:00" (3/3) ...
[2022-11-25 15:27:00,255 INFO L112 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength6.c
[2022-11-25 15:27:00,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-25 15:27:00,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-25 15:27:00,337 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-25 15:27:00,343 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;@64a90a89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-25 15:27:00,343 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2022-11-25 15:27:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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)
[2022-11-25 15:27:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-25 15:27:00,354 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:00,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:00,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:00,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:00,361 INFO L85 PathProgramCache]: Analyzing trace with hash 889666572, now seen corresponding path program 1 times
[2022-11-25 15:27:00,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:00,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162724891]
[2022-11-25 15:27:00,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:00,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:00,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162724891]
[2022-11-25 15:27:00,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162724891] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:00,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 15:27:00,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-25 15:27:00,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623159441]
[2022-11-25 15:27:00,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:00,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-25 15:27:00,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:00,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-25 15:27:00,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-25 15:27:00,796 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2022-11-25 15:27:00,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:00,903 INFO L93 Difference]: Finished difference Result 81 states and 101 transitions.
[2022-11-25 15:27:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-25 15:27:00,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2022-11-25 15:27:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:00,915 INFO L225 Difference]: With dead ends: 81
[2022-11-25 15:27:00,915 INFO L226 Difference]: Without dead ends: 44
[2022-11-25 15:27:00,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-25 15:27:00,927 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:00,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 106 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:00,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2022-11-25 15:27:00,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28.
[2022-11-25 15:27:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 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)
[2022-11-25 15:27:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions.
[2022-11-25 15:27:00,981 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 6
[2022-11-25 15:27:00,982 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:00,982 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions.
[2022-11-25 15:27:00,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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)
[2022-11-25 15:27:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions.
[2022-11-25 15:27:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-25 15:27:00,983 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:00,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:00,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-25 15:27:00,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:00,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:00,988 INFO L85 PathProgramCache]: Analyzing trace with hash 235011595, now seen corresponding path program 1 times
[2022-11-25 15:27:00,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:00,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440419258]
[2022-11-25 15:27:00,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:00,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:01,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:01,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440419258]
[2022-11-25 15:27:01,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440419258] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:01,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 15:27:01,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-25 15:27:01,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257500521]
[2022-11-25 15:27:01,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:01,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-25 15:27:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:01,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-25 15:27:01,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-25 15:27:01,143 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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)
[2022-11-25 15:27:01,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:01,207 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions.
[2022-11-25 15:27:01,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-25 15:27:01,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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
[2022-11-25 15:27:01,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:01,209 INFO L225 Difference]: With dead ends: 59
[2022-11-25 15:27:01,209 INFO L226 Difference]: Without dead ends: 51
[2022-11-25 15:27:01,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-25 15:27:01,211 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 17 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:01,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 51 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:01,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2022-11-25 15:27:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 34.
[2022-11-25 15:27:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 33 states have internal predecessors, (37), 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)
[2022-11-25 15:27:01,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions.
[2022-11-25 15:27:01,218 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 8
[2022-11-25 15:27:01,218 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:01,218 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions.
[2022-11-25 15:27:01,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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)
[2022-11-25 15:27:01,219 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions.
[2022-11-25 15:27:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-25 15:27:01,219 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:01,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:01,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-25 15:27:01,220 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:01,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:01,221 INFO L85 PathProgramCache]: Analyzing trace with hash 269484748, now seen corresponding path program 1 times
[2022-11-25 15:27:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:01,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105757029]
[2022-11-25 15:27:01,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:01,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:01,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:01,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105757029]
[2022-11-25 15:27:01,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105757029] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:01,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 15:27:01,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-25 15:27:01,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962409864]
[2022-11-25 15:27:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:01,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-25 15:27:01,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-25 15:27:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 15:27:01,347 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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)
[2022-11-25 15:27:01,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:01,362 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions.
[2022-11-25 15:27:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-25 15:27:01,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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
[2022-11-25 15:27:01,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:01,364 INFO L225 Difference]: With dead ends: 65
[2022-11-25 15:27:01,364 INFO L226 Difference]: Without dead ends: 34
[2022-11-25 15:27:01,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-25 15:27:01,366 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:01,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 44 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2022-11-25 15:27:01,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34.
[2022-11-25 15:27:01,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 33 states have internal predecessors, (36), 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)
[2022-11-25 15:27:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions.
[2022-11-25 15:27:01,373 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 8
[2022-11-25 15:27:01,373 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:01,373 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions.
[2022-11-25 15:27:01,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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)
[2022-11-25 15:27:01,374 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions.
[2022-11-25 15:27:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-25 15:27:01,374 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:01,375 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:01,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-25 15:27:01,375 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:01,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1479828344, now seen corresponding path program 1 times
[2022-11-25 15:27:01,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:01,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331621886]
[2022-11-25 15:27:01,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:01,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:01,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331621886]
[2022-11-25 15:27:01,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331621886] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:01,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989753685]
[2022-11-25 15:27:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:01,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:01,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:01,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:01,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-25 15:27:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:01,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-25 15:27:01,668 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:01,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:01,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-25 15:27:01,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989753685] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:01,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-25 15:27:01,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2022-11-25 15:27:01,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490344678]
[2022-11-25 15:27:01,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:01,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-25 15:27:01,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:01,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-25 15:27:01,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2022-11-25 15:27:01,770 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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)
[2022-11-25 15:27:01,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:01,825 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions.
[2022-11-25 15:27:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-25 15:27:01,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) Word has length 10
[2022-11-25 15:27:01,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:01,827 INFO L225 Difference]: With dead ends: 34
[2022-11-25 15:27:01,827 INFO L226 Difference]: Without dead ends: 33
[2022-11-25 15:27:01,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90
[2022-11-25 15:27:01,829 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 43 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:01,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 38 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:01,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2022-11-25 15:27:01,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2022-11-25 15:27:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.25) internal successors, (35), 32 states have internal predecessors, (35), 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)
[2022-11-25 15:27:01,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions.
[2022-11-25 15:27:01,834 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 10
[2022-11-25 15:27:01,835 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:01,835 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions.
[2022-11-25 15:27:01,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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)
[2022-11-25 15:27:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions.
[2022-11-25 15:27:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-25 15:27:01,836 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:01,836 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1]
[2022-11-25 15:27:01,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:02,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:02,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:02,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1369961646, now seen corresponding path program 1 times
[2022-11-25 15:27:02,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:02,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062597719]
[2022-11-25 15:27:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:02,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:02,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:02,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:02,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062597719]
[2022-11-25 15:27:02,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062597719] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:02,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078809108]
[2022-11-25 15:27:02,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:02,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:02,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:02,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:02,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-25 15:27:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:02,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-25 15:27:02,190 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:02,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:02,222 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:02,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078809108] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:02,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:02,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2022-11-25 15:27:02,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852128875]
[2022-11-25 15:27:02,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:02,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-11-25 15:27:02,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:02,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-11-25 15:27:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2022-11-25 15:27:02,273 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 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)
[2022-11-25 15:27:02,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:02,370 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions.
[2022-11-25 15:27:02,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2022-11-25 15:27:02,371 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 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
[2022-11-25 15:27:02,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:02,373 INFO L225 Difference]: With dead ends: 109
[2022-11-25 15:27:02,373 INFO L226 Difference]: Without dead ends: 108
[2022-11-25 15:27:02,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240
[2022-11-25 15:27:02,375 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 80 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:02,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 153 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2022-11-25 15:27:02,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 45.
[2022-11-25 15:27:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.25) internal successors, (50), 44 states have internal predecessors, (50), 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)
[2022-11-25 15:27:02,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions.
[2022-11-25 15:27:02,384 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 11
[2022-11-25 15:27:02,384 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:02,384 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions.
[2022-11-25 15:27:02,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 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)
[2022-11-25 15:27:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions.
[2022-11-25 15:27:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-11-25 15:27:02,385 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:02,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:02,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:02,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:02,591 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash -482462648, now seen corresponding path program 1 times
[2022-11-25 15:27:02,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:02,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467159696]
[2022-11-25 15:27:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-25 15:27:02,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:02,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467159696]
[2022-11-25 15:27:02,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467159696] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:02,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-25 15:27:02,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-25 15:27:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060507353]
[2022-11-25 15:27:02,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:02,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-25 15:27:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-25 15:27:02,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-25 15:27:02,673 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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)
[2022-11-25 15:27:02,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:02,720 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions.
[2022-11-25 15:27:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-25 15:27:02,720 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) Word has length 12
[2022-11-25 15:27:02,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:02,723 INFO L225 Difference]: With dead ends: 73
[2022-11-25 15:27:02,723 INFO L226 Difference]: Without dead ends: 71
[2022-11-25 15:27:02,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-25 15:27:02,731 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:02,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 48 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:02,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2022-11-25 15:27:02,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70.
[2022-11-25 15:27:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 69 states have internal predecessors, (80), 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)
[2022-11-25 15:27:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 80 transitions.
[2022-11-25 15:27:02,748 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 80 transitions. Word has length 12
[2022-11-25 15:27:02,749 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:02,749 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 80 transitions.
[2022-11-25 15:27:02,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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)
[2022-11-25 15:27:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions.
[2022-11-25 15:27:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-25 15:27:02,751 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:02,751 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2022-11-25 15:27:02,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-25 15:27:02,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:02,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:02,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1281122176, now seen corresponding path program 1 times
[2022-11-25 15:27:02,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:02,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867534833]
[2022-11-25 15:27:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-25 15:27:02,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:02,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867534833]
[2022-11-25 15:27:02,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867534833] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:02,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861394032]
[2022-11-25 15:27:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:02,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:02,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-25 15:27:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:02,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-25 15:27:02,965 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:03,053 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-25 15:27:03,053 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-25 15:27:03,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861394032] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:03,110 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:03,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2022-11-25 15:27:03,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683590583]
[2022-11-25 15:27:03,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:03,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2022-11-25 15:27:03,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:03,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2022-11-25 15:27:03,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2022-11-25 15:27:03,112 INFO L87 Difference]: Start difference. First operand 70 states and 80 transitions. Second operand has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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)
[2022-11-25 15:27:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:03,191 INFO L93 Difference]: Finished difference Result 117 states and 132 transitions.
[2022-11-25 15:27:03,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-25 15:27:03,193 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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
[2022-11-25 15:27:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:03,194 INFO L225 Difference]: With dead ends: 117
[2022-11-25 15:27:03,194 INFO L226 Difference]: Without dead ends: 70
[2022-11-25 15:27:03,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156
[2022-11-25 15:27:03,195 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 11 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:03,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 94 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:03,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2022-11-25 15:27:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2022-11-25 15:27:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 69 states have internal predecessors, (76), 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)
[2022-11-25 15:27:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions.
[2022-11-25 15:27:03,203 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 23
[2022-11-25 15:27:03,204 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:03,204 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions.
[2022-11-25 15:27:03,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 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)
[2022-11-25 15:27:03,204 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions.
[2022-11-25 15:27:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2022-11-25 15:27:03,205 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:03,205 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1]
[2022-11-25 15:27:03,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:03,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:03,411 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:03,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:03,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1531431494, now seen corresponding path program 2 times
[2022-11-25 15:27:03,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:03,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937786643]
[2022-11-25 15:27:03,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:03,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-25 15:27:03,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:03,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937786643]
[2022-11-25 15:27:03,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937786643] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:03,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273311032]
[2022-11-25 15:27:03,628 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-25 15:27:03,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:03,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:03,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:03,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-25 15:27:03,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2022-11-25 15:27:03,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:03,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-25 15:27:03,704 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:03,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2022-11-25 15:27:03,777 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2022-11-25 15:27:03,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273311032] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:03,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:03,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17
[2022-11-25 15:27:03,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969640014]
[2022-11-25 15:27:03,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:03,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2022-11-25 15:27:03,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:03,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2022-11-25 15:27:03,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2022-11-25 15:27:03,873 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 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)
[2022-11-25 15:27:04,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:04,139 INFO L93 Difference]: Finished difference Result 158 states and 173 transitions.
[2022-11-25 15:27:04,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2022-11-25 15:27:04,140 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 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
[2022-11-25 15:27:04,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:04,141 INFO L225 Difference]: With dead ends: 158
[2022-11-25 15:27:04,141 INFO L226 Difference]: Without dead ends: 157
[2022-11-25 15:27:04,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930
[2022-11-25 15:27:04,144 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 283 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:04,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 151 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:04,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states.
[2022-11-25 15:27:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 55.
[2022-11-25 15:27:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 54 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 15:27:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions.
[2022-11-25 15:27:04,161 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 23
[2022-11-25 15:27:04,161 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:04,161 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions.
[2022-11-25 15:27:04,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.411764705882353) internal successors, (41), 18 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)
[2022-11-25 15:27:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions.
[2022-11-25 15:27:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2022-11-25 15:27:04,163 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:04,163 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:04,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:04,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2022-11-25 15:27:04,364 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:04,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash -363414695, now seen corresponding path program 1 times
[2022-11-25 15:27:04,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:04,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104872966]
[2022-11-25 15:27:04,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:04,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:04,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104872966]
[2022-11-25 15:27:04,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104872966] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:04,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430580370]
[2022-11-25 15:27:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:04,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:04,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:04,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:04,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-11-25 15:27:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:04,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-25 15:27:04,636 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:04,805 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:04,949 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:04,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430580370] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:04,949 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:04,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23
[2022-11-25 15:27:04,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248847217]
[2022-11-25 15:27:04,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:04,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2022-11-25 15:27:04,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:04,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2022-11-25 15:27:04,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506
[2022-11-25 15:27:04,951 INFO L87 Difference]: Start difference. First operand 55 states and 58 transitions. Second operand has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 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)
[2022-11-25 15:27:05,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:05,111 INFO L93 Difference]: Finished difference Result 126 states and 139 transitions.
[2022-11-25 15:27:05,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2022-11-25 15:27:05,111 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 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 32
[2022-11-25 15:27:05,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:05,112 INFO L225 Difference]: With dead ends: 126
[2022-11-25 15:27:05,112 INFO L226 Difference]: Without dead ends: 87
[2022-11-25 15:27:05,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=231, Invalid=581, Unknown=0, NotChecked=0, Total=812
[2022-11-25 15:27:05,115 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:05,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 179 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:05,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2022-11-25 15:27:05,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2022-11-25 15:27:05,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 15:27:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions.
[2022-11-25 15:27:05,135 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 32
[2022-11-25 15:27:05,135 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:05,135 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions.
[2022-11-25 15:27:05,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4782608695652173) internal successors, (57), 23 states have internal predecessors, (57), 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)
[2022-11-25 15:27:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions.
[2022-11-25 15:27:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2022-11-25 15:27:05,137 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:05,137 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:05,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:05,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2022-11-25 15:27:05,343 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:05,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1558314313, now seen corresponding path program 2 times
[2022-11-25 15:27:05,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:05,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962203007]
[2022-11-25 15:27:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:05,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:05,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:05,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962203007]
[2022-11-25 15:27:05,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962203007] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:05,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874172329]
[2022-11-25 15:27:05,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-25 15:27:05,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:05,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:05,756 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:05,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-11-25 15:27:05,839 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-25 15:27:05,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:05,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjunts are in the unsatisfiable core
[2022-11-25 15:27:05,843 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:06,327 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:06,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874172329] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:06,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:06,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 47
[2022-11-25 15:27:06,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938307410]
[2022-11-25 15:27:06,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:06,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states
[2022-11-25 15:27:06,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:06,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants.
[2022-11-25 15:27:06,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=1634, Unknown=0, NotChecked=0, Total=2162
[2022-11-25 15:27:06,863 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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)
[2022-11-25 15:27:07,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:07,348 INFO L93 Difference]: Finished difference Result 206 states and 227 transitions.
[2022-11-25 15:27:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states.
[2022-11-25 15:27:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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 48
[2022-11-25 15:27:07,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:07,351 INFO L225 Difference]: With dead ends: 206
[2022-11-25 15:27:07,351 INFO L226 Difference]: Without dead ends: 151
[2022-11-25 15:27:07,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=943, Invalid=2717, Unknown=0, NotChecked=0, Total=3660
[2022-11-25 15:27:07,354 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 86 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:07,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 160 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-25 15:27:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2022-11-25 15:27:07,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2022-11-25 15:27:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 147 states have (on average 1.0476190476190477) internal successors, (154), 150 states have internal predecessors, (154), 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)
[2022-11-25 15:27:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 154 transitions.
[2022-11-25 15:27:07,374 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 154 transitions. Word has length 48
[2022-11-25 15:27:07,374 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:07,374 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 154 transitions.
[2022-11-25 15:27:07,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.234042553191489) internal successors, (105), 47 states have internal predecessors, (105), 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)
[2022-11-25 15:27:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 154 transitions.
[2022-11-25 15:27:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2022-11-25 15:27:07,380 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:07,381 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:07,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:07,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-25 15:27:07,586 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:07,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:07,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1637015849, now seen corresponding path program 3 times
[2022-11-25 15:27:07,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:07,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122438865]
[2022-11-25 15:27:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-25 15:27:08,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122438865]
[2022-11-25 15:27:08,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122438865] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121983511]
[2022-11-25 15:27:08,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-11-25 15:27:08,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:08,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:08,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:08,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-11-25 15:27:08,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2022-11-25 15:27:08,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:08,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-25 15:27:08,822 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2022-11-25 15:27:08,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-25 15:27:08,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121983511] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:08,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-25 15:27:08,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36
[2022-11-25 15:27:08,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904855343]
[2022-11-25 15:27:08,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:08,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-25 15:27:08,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:08,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-25 15:27:08,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260
[2022-11-25 15:27:08,900 INFO L87 Difference]: Start difference. First operand 151 states and 154 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 15:27:08,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:08,967 INFO L93 Difference]: Finished difference Result 151 states and 154 transitions.
[2022-11-25 15:27:08,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-25 15:27:08,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80
[2022-11-25 15:27:08,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:08,969 INFO L225 Difference]: With dead ends: 151
[2022-11-25 15:27:08,970 INFO L226 Difference]: Without dead ends: 150
[2022-11-25 15:27:08,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=300, Invalid=1032, Unknown=0, NotChecked=0, Total=1332
[2022-11-25 15:27:08,971 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 15 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:08,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states.
[2022-11-25 15:27:08,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150.
[2022-11-25 15:27:08,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 147 states have (on average 1.0408163265306123) internal successors, (153), 149 states have internal predecessors, (153), 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)
[2022-11-25 15:27:08,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions.
[2022-11-25 15:27:08,987 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 80
[2022-11-25 15:27:08,990 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:08,990 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions.
[2022-11-25 15:27:08,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-25 15:27:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions.
[2022-11-25 15:27:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2022-11-25 15:27:08,995 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:08,995 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:09,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:09,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:09,201 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:09,201 INFO L85 PathProgramCache]: Analyzing trace with hash -792116142, now seen corresponding path program 1 times
[2022-11-25 15:27:09,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:09,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754189231]
[2022-11-25 15:27:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2022-11-25 15:27:09,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:09,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754189231]
[2022-11-25 15:27:09,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754189231] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:09,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880337244]
[2022-11-25 15:27:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:09,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:09,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:09,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-11-25 15:27:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:09,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 34 conjunts are in the unsatisfiable core
[2022-11-25 15:27:09,432 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-25 15:27:10,293 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-25 15:27:11,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880337244] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:11,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:11,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 68
[2022-11-25 15:27:11,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210806691]
[2022-11-25 15:27:11,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:11,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states
[2022-11-25 15:27:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants.
[2022-11-25 15:27:11,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1066, Invalid=3490, Unknown=0, NotChecked=0, Total=4556
[2022-11-25 15:27:11,628 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 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)
[2022-11-25 15:27:15,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:15,173 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions.
[2022-11-25 15:27:15,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states.
[2022-11-25 15:27:15,174 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 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 81
[2022-11-25 15:27:15,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:15,175 INFO L225 Difference]: With dead ends: 369
[2022-11-25 15:27:15,175 INFO L226 Difference]: Without dead ends: 283
[2022-11-25 15:27:15,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6908 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=6140, Invalid=19620, Unknown=0, NotChecked=0, Total=25760
[2022-11-25 15:27:15,185 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 608 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:15,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 117 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-25 15:27:15,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states.
[2022-11-25 15:27:15,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283.
[2022-11-25 15:27:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 280 states have (on average 1.0214285714285714) internal successors, (286), 282 states have internal predecessors, (286), 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)
[2022-11-25 15:27:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 286 transitions.
[2022-11-25 15:27:15,203 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 286 transitions. Word has length 81
[2022-11-25 15:27:15,203 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:15,203 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 286 transitions.
[2022-11-25 15:27:15,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 2.3823529411764706) internal successors, (162), 68 states have internal predecessors, (162), 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)
[2022-11-25 15:27:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 286 transitions.
[2022-11-25 15:27:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151
[2022-11-25 15:27:15,205 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:15,205 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:15,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:15,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2022-11-25 15:27:15,411 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:15,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:15,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1650996544, now seen corresponding path program 2 times
[2022-11-25 15:27:15,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:15,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343575217]
[2022-11-25 15:27:15,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2022-11-25 15:27:18,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:18,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343575217]
[2022-11-25 15:27:18,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343575217] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:18,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022886445]
[2022-11-25 15:27:18,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-25 15:27:18,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:18,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:18,987 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:18,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-11-25 15:27:19,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-25 15:27:19,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:19,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 66 conjunts are in the unsatisfiable core
[2022-11-25 15:27:19,148 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2022-11-25 15:27:23,832 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2022-11-25 15:27:29,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022886445] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:29,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:29,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 191
[2022-11-25 15:27:29,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446097319]
[2022-11-25 15:27:29,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:29,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 191 states
[2022-11-25 15:27:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:29,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants.
[2022-11-25 15:27:29,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6334, Invalid=29956, Unknown=0, NotChecked=0, Total=36290
[2022-11-25 15:27:29,471 INFO L87 Difference]: Start difference. First operand 283 states and 286 transitions. Second operand has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 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)
[2022-11-25 15:27:31,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:31,316 INFO L93 Difference]: Finished difference Result 452 states and 459 transitions.
[2022-11-25 15:27:31,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2022-11-25 15:27:31,317 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 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 150
[2022-11-25 15:27:31,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:31,318 INFO L225 Difference]: With dead ends: 452
[2022-11-25 15:27:31,318 INFO L226 Difference]: Without dead ends: 297
[2022-11-25 15:27:31,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14727 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=9930, Invalid=39132, Unknown=0, NotChecked=0, Total=49062
[2022-11-25 15:27:31,324 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 413 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:31,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 272 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-25 15:27:31,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states.
[2022-11-25 15:27:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 291.
[2022-11-25 15:27:31,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 288 states have (on average 1.0208333333333333) internal successors, (294), 290 states have internal predecessors, (294), 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)
[2022-11-25 15:27:31,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 294 transitions.
[2022-11-25 15:27:31,342 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 294 transitions. Word has length 150
[2022-11-25 15:27:31,343 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:31,343 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 294 transitions.
[2022-11-25 15:27:31,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 2.0575916230366493) internal successors, (393), 191 states have internal predecessors, (393), 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)
[2022-11-25 15:27:31,344 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 294 transitions.
[2022-11-25 15:27:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2022-11-25 15:27:31,345 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:31,345 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 32, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:31,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:31,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:31,551 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:31,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1018191292, now seen corresponding path program 3 times
[2022-11-25 15:27:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:31,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241295682]
[2022-11-25 15:27:31,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2017 trivial. 0 not checked.
[2022-11-25 15:27:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241295682]
[2022-11-25 15:27:31,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241295682] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:31,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214442596]
[2022-11-25 15:27:31,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2022-11-25 15:27:31,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:31,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:31,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-11-25 15:27:31,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2022-11-25 15:27:31,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:31,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core
[2022-11-25 15:27:31,878 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2022 trivial. 0 not checked.
[2022-11-25 15:27:31,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-25 15:27:31,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214442596] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:31,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-25 15:27:31,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10
[2022-11-25 15:27:31,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710823208]
[2022-11-25 15:27:31,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:31,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-25 15:27:31,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:31,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-25 15:27:31,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110
[2022-11-25 15:27:31,938 INFO L87 Difference]: Start difference. First operand 291 states and 294 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2022-11-25 15:27:32,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:32,001 INFO L93 Difference]: Finished difference Result 291 states and 294 transitions.
[2022-11-25 15:27:32,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-25 15:27:32,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 154
[2022-11-25 15:27:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:32,004 INFO L225 Difference]: With dead ends: 291
[2022-11-25 15:27:32,004 INFO L226 Difference]: Without dead ends: 274
[2022-11-25 15:27:32,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2022-11-25 15:27:32,005 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:32,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 29 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states.
[2022-11-25 15:27:32,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274.
[2022-11-25 15:27:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 272 states have (on average 1.0147058823529411) internal successors, (276), 273 states have internal predecessors, (276), 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)
[2022-11-25 15:27:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 276 transitions.
[2022-11-25 15:27:32,025 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 276 transitions. Word has length 154
[2022-11-25 15:27:32,025 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:32,025 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 276 transitions.
[2022-11-25 15:27:32,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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)
[2022-11-25 15:27:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 276 transitions.
[2022-11-25 15:27:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272
[2022-11-25 15:27:32,032 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:32,032 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 64, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2022-11-25 15:27:32,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:32,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-11-25 15:27:32,238 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:32,239 INFO L85 PathProgramCache]: Analyzing trace with hash -315461888, now seen corresponding path program 2 times
[2022-11-25 15:27:32,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:32,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393557863]
[2022-11-25 15:27:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8198 backedges. 0 proven. 4166 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked.
[2022-11-25 15:27:32,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:32,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393557863]
[2022-11-25 15:27:32,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393557863] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:32,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650827886]
[2022-11-25 15:27:32,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-25 15:27:32,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:32,611 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:32,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2022-11-25 15:27:32,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-25 15:27:32,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-25 15:27:32,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-11-25 15:27:32,833 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8198 backedges. 4166 proven. 0 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked.
[2022-11-25 15:27:33,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-25 15:27:33,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650827886] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-25 15:27:33,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-25 15:27:33,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2022-11-25 15:27:33,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153221340]
[2022-11-25 15:27:33,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-25 15:27:33,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-25 15:27:33,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:33,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-25 15:27:33,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2022-11-25 15:27:33,057 INFO L87 Difference]: Start difference. First operand 274 states and 276 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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)
[2022-11-25 15:27:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:33,093 INFO L93 Difference]: Finished difference Result 274 states and 276 transitions.
[2022-11-25 15:27:33,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-25 15:27:33,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 271
[2022-11-25 15:27:33,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:33,095 INFO L225 Difference]: With dead ends: 274
[2022-11-25 15:27:33,095 INFO L226 Difference]: Without dead ends: 273
[2022-11-25 15:27:33,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2022-11-25 15:27:33,096 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:33,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2022-11-25 15:27:33,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273.
[2022-11-25 15:27:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 272 states have (on average 1.0110294117647058) internal successors, (275), 272 states have internal predecessors, (275), 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)
[2022-11-25 15:27:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 275 transitions.
[2022-11-25 15:27:33,116 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 275 transitions. Word has length 271
[2022-11-25 15:27:33,116 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:33,117 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 275 transitions.
[2022-11-25 15:27:33,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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)
[2022-11-25 15:27:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 275 transitions.
[2022-11-25 15:27:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273
[2022-11-25 15:27:33,120 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-25 15:27:33,120 INFO L195 NwaCegarLoop]: trace histogram [64, 64, 64, 64, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
[2022-11-25 15:27:33,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:33,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-11-25 15:27:33,326 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2022-11-25 15:27:33,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-25 15:27:33,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1189383870, now seen corresponding path program 1 times
[2022-11-25 15:27:33,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-25 15:27:33,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900496615]
[2022-11-25 15:27:33,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:33,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-25 15:27:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 8199 backedges. 0 proven. 4167 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked.
[2022-11-25 15:27:33,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-25 15:27:33,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900496615]
[2022-11-25 15:27:33,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900496615] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-25 15:27:33,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38513222]
[2022-11-25 15:27:33,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-25 15:27:33,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-25 15:27:33,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3
[2022-11-25 15:27:33,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-25 15:27:33,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2022-11-25 15:27:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-25 15:27:33,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 5 conjunts are in the unsatisfiable core
[2022-11-25 15:27:33,831 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-25 15:27:34,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8199 backedges. 0 proven. 4167 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked.
[2022-11-25 15:27:34,220 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-25 15:27:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 8199 backedges. 0 proven. 4167 refuted. 0 times theorem prover too weak. 4032 trivial. 0 not checked.
[2022-11-25 15:27:34,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38513222] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-25 15:27:34,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-25 15:27:34,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2022-11-25 15:27:34,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052604128]
[2022-11-25 15:27:34,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-25 15:27:34,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2022-11-25 15:27:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-25 15:27:34,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2022-11-25 15:27:34,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2022-11-25 15:27:34,629 INFO L87 Difference]: Start difference. First operand 273 states and 275 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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)
[2022-11-25 15:27:34,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-25 15:27:34,704 INFO L93 Difference]: Finished difference Result 409 states and 413 transitions.
[2022-11-25 15:27:34,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2022-11-25 15:27:34,705 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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 272
[2022-11-25 15:27:34,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-25 15:27:34,706 INFO L225 Difference]: With dead ends: 409
[2022-11-25 15:27:34,706 INFO L226 Difference]: Without dead ends: 0
[2022-11-25 15:27:34,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 537 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210
[2022-11-25 15:27:34,707 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-25 15:27:34,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-25 15:27:34,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-25 15:27:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-25 15:27:34,709 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)
[2022-11-25 15:27:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-25 15:27:34,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272
[2022-11-25 15:27:34,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-25 15:27:34,710 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-25 15:27:34,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 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)
[2022-11-25 15:27:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-25 15:27:34,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-25 15:27:34,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2022-11-25 15:27:34,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2022-11-25 15:27:34,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2022-11-25 15:27:34,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2022-11-25 15:27:34,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2022-11-25 15:27:34,715 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2022-11-25 15:27:34,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2022-11-25 15:27:34,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2022-11-25 15:27:34,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-25 15:27:37,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2022-11-25 15:27:37,927 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed.
[2022-11-25 15:27:37,927 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 15 17) no Hoare annotation was computed.
[2022-11-25 15:27:37,927 INFO L899 garLoopResultBuilder]: For program point L15-3(line 15) no Hoare annotation was computed.
[2022-11-25 15:27:37,927 INFO L899 garLoopResultBuilder]: For program point L15-4(line 15) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L895 garLoopResultBuilder]: At program point L15-5(lines 15 17) the Hoare annotation is: (let ((.cse0 (<= 0 (+ |ULTIMATE.start_main_~i~1#1| 2147483648))) (.cse1 (< (mod |ULTIMATE.start_main_~i~1#1| 4294967296) 32)) (.cse2 (< |ULTIMATE.start_main_~i~1#1| 2147483646))) (or (and (= 32 |ULTIMATE.start_foo_~size#1|) .cse0 (= |ULTIMATE.start_foo_~i~0#1| 0) .cse1 .cse2) (and (< |ULTIMATE.start_foo_~i~0#1| 2147483647) .cse0 .cse1 (<= |ULTIMATE.start_foo_~size#1| 32) (<= 1 |ULTIMATE.start_foo_~i~0#1|) .cse2)))
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point L15-6(lines 15 17) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-25 15:27:37,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 33) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L895 garLoopResultBuilder]: At program point L29-5(lines 29 33) the Hoare annotation is: (and (< |ULTIMATE.start_foo_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~i~1#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~1#1| 2147483648)) (<= |ULTIMATE.start_foo_~size#1| 32) (<= 1 |ULTIMATE.start_foo_~i~0#1|))
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L25-2(lines 25 28) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L29-6(lines 29 33) no Hoare annotation was computed.
[2022-11-25 15:27:37,929 INFO L899 garLoopResultBuilder]: For program point L25-3(line 25) no Hoare annotation was computed.
[2022-11-25 15:27:37,930 INFO L899 garLoopResultBuilder]: For program point L25-4(line 25) no Hoare annotation was computed.
[2022-11-25 15:27:37,930 INFO L895 garLoopResultBuilder]: At program point L25-5(lines 25 28) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~1#1| 0) (and (< |ULTIMATE.start_foo_~i~0#1| 2147483647) (< |ULTIMATE.start_main_~i~1#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~1#1| 2147483648)) (<= |ULTIMATE.start_foo_~size#1| 32) (<= 1 |ULTIMATE.start_foo_~i~0#1|)))
[2022-11-25 15:27:37,930 INFO L899 garLoopResultBuilder]: For program point L25-6(lines 25 28) no Hoare annotation was computed.
[2022-11-25 15:27:37,930 INFO L902 garLoopResultBuilder]: At program point L34(lines 21 35) the Hoare annotation is: true
[2022-11-25 15:27:37,930 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2022-11-25 15:27:37,930 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 32) no Hoare annotation was computed.
[2022-11-25 15:27:37,931 INFO L895 garLoopResultBuilder]: At program point L18(lines 12 19) the Hoare annotation is: (and (< |ULTIMATE.start_foo_~i~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~i~1#1| 2147483648)) (< (mod |ULTIMATE.start_main_~i~1#1| 4294967296) 32) (<= |ULTIMATE.start_foo_~size#1| 32) (<= 1 |ULTIMATE.start_foo_~i~0#1|) (< |ULTIMATE.start_main_~i~1#1| 2147483646))
[2022-11-25 15:27:37,934 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 1, 1, 1, 1, 1, 1]
[2022-11-25 15:27:37,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-25 15:27:37,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:27:37 BoogieIcfgContainer
[2022-11-25 15:27:37,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-25 15:27:37,958 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-25 15:27:37,958 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-25 15:27:37,958 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-25 15:27:37,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:00" (3/4) ...
[2022-11-25 15:27:37,961 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-25 15:27:37,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2022-11-25 15:27:37,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-25 15:27:37,971 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-25 15:27:37,972 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-25 15:27:38,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/witness.graphml
[2022-11-25 15:27:38,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-25 15:27:38,003 INFO L158 Benchmark]: Toolchain (without parser) took 38321.79ms. Allocated memory was 169.9MB in the beginning and 488.6MB in the end (delta: 318.8MB). Free memory was 139.1MB in the beginning and 357.8MB in the end (delta: -218.7MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,003 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-25 15:27:38,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.38ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 129.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.99ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 128.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,004 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 126.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,004 INFO L158 Benchmark]: RCFGBuilder took 301.03ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 114.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,005 INFO L158 Benchmark]: TraceAbstraction took 37727.91ms. Allocated memory was 169.9MB in the beginning and 488.6MB in the end (delta: 318.8MB). Free memory was 114.5MB in the beginning and 360.9MB in the end (delta: -246.4MB). Peak memory consumption was 273.4MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,005 INFO L158 Benchmark]: Witness Printer took 44.38ms. Allocated memory is still 488.6MB. Free memory was 360.9MB in the beginning and 357.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-25 15:27:38,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 188.38ms. Allocated memory is still 169.9MB. Free memory was 139.1MB in the beginning and 129.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 26.99ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 128.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.25ms. Allocated memory is still 169.9MB. Free memory was 128.0MB in the beginning and 126.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 301.03ms. Allocated memory is still 169.9MB. Free memory was 126.5MB in the beginning and 114.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 37727.91ms. Allocated memory was 169.9MB in the beginning and 488.6MB in the end (delta: 318.8MB). Free memory was 114.5MB in the beginning and 360.9MB in the end (delta: -246.4MB). Peak memory consumption was 273.4MB. Max. memory is 16.1GB.
* Witness Printer took 44.38ms. Allocated memory is still 488.6MB. Free memory was 360.9MB in the beginning and 357.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 15]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 15]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 37.6s, OverallIterations: 16, TraceHistogramMax: 64, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1647 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1647 mSDsluCounter, 1554 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1256 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1251 IncrementalHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 298 mSDtfsCounter, 1251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2136 GetRequests, 1533 SyntacticMatches, 0 SemanticMatches, 603 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22960 ImplicationChecksByTransitivity, 20.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=13, InterpolantAutomatonStates: 315, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 205 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 116 NumberOfFragments, 108 HoareAnnotationTreeSize, 5 FomulaSimplifications, 1709 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 5 FomulaSimplificationsInter, 6761 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 22.5s InterpolantComputationTime, 2344 NumberOfCodeBlocks, 2135 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2948 ConstructedInterpolants, 0 QuantifiedInterpolants, 9704 SizeOfPredicates, 85 NumberOfNonLiveVariables, 2926 ConjunctsInSsa, 168 ConjunctsInUnsatCore, 36 InterpolantComputations, 8 PerfectInterpolantSequences, 29445/53510 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
6 specifications checked. All of them hold
- InvariantResult [Line: 12]: Loop Invariant
Derived loop invariant: ((((i < 2147483647 && 0 <= i + 2147483648) && i % 4294967296 < 32) && size <= 32) && 1 <= i) && i < 2147483646
- InvariantResult [Line: 21]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 15]: Loop Invariant
Derived loop invariant: ((((32 == size && 0 <= i + 2147483648) && i == 0) && i % 4294967296 < 32) && i < 2147483646) || (((((i < 2147483647 && 0 <= i + 2147483648) && i % 4294967296 < 32) && size <= 32) && 1 <= i) && i < 2147483646)
- InvariantResult [Line: 25]: Loop Invariant
Derived loop invariant: i == 0 || ((((i < 2147483647 && i < 2147483647) && 0 <= i + 2147483648) && size <= 32) && 1 <= i)
- InvariantResult [Line: 29]: Loop Invariant
Derived loop invariant: (((i < 2147483647 && i <= 2147483647) && 0 <= i + 2147483648) && size <= 32) && 1 <= i
RESULT: Ultimate proved your program to be correct!
[2022-11-25 15:27:38,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e1443d-e348-4b6f-aded-92ae004d6299/bin/uautomizer-ZsLfNo2U6R/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