./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc --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 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:43:21,590 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:43:21,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:43:21,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:43:21,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:43:21,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:43:21,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:43:21,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:43:21,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:43:21,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:43:21,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:43:21,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:43:21,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:43:21,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:43:21,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:43:21,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:43:21,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:43:21,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:43:21,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:43:21,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:43:21,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:43:21,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:43:21,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:43:21,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:43:21,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:43:21,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:43:21,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:43:21,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:43:21,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:43:21,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:43:21,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:43:21,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:43:21,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:43:21,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:43:21,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:43:21,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:43:21,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:43:21,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:43:21,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:43:21,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:43:21,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:43:21,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:43:21,718 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:43:21,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:43:21,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:43:21,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:43:21,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:43:21,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:43:21,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:43:21,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:43:21,722 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:43:21,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:43:21,724 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:43:21,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:43:21,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:43:21,724 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:43:21,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:43:21,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:43:21,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:43:21,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:43:21,725 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 20:43:21,726 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:43:21,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:43:21,726 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:43:21,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:43:21,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:43:21,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:43:21,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:43:21,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:43:21,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:43:21,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:43:21,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:43:21,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:43:21,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:43:21,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:43:21,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b
[2022-11-02 20:43:22,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:43:22,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:43:22,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:43:22,052 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:43:22,052 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:43:22,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i
[2022-11-02 20:43:22,155 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/data/4a27f1dab/d8381cf668f040b98688288af29ba994/FLAG9f8ad38e4
[2022-11-02 20:43:22,741 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:43:22,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i
[2022-11-02 20:43:22,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/data/4a27f1dab/d8381cf668f040b98688288af29ba994/FLAG9f8ad38e4
[2022-11-02 20:43:23,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/data/4a27f1dab/d8381cf668f040b98688288af29ba994
[2022-11-02 20:43:23,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:43:23,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:43:23,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:43:23,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:43:23,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:43:23,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f19ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23, skipping insertion in model container
[2022-11-02 20:43:23,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:43:23,125 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:43:23,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008]
[2022-11-02 20:43:23,689 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:43:23,704 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:43:23,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i[995,1008]
[2022-11-02 20:43:23,803 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:43:23,848 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:43:23,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23 WrapperNode
[2022-11-02 20:43:23,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:43:23,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:43:23,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:43:23,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:43:23,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,933 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 152
[2022-11-02 20:43:23,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:43:23,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:43:23,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:43:23,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:43:23,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:23,996 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:24,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:24,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:43:24,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:43:24,014 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:43:24,014 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:43:24,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (1/1) ...
[2022-11-02 20:43:24,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:43:24,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:43:24,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:43:24,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:43:24,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:43:24,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:43:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-11-02 20:43:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:43:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:43:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:43:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2022-11-02 20:43:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2022-11-02 20:43:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2022-11-02 20:43:24,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2022-11-02 20:43:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2022-11-02 20:43:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2022-11-02 20:43:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:43:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-11-02 20:43:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:43:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:43:24,123 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:43:24,273 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:43:24,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:43:25,019 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:43:25,736 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:43:25,736 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:43:25,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:25 BoogieIcfgContainer
[2022-11-02 20:43:25,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:43:25,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:43:25,741 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:43:25,745 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:43:25,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:43:23" (1/3) ...
[2022-11-02 20:43:25,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c7a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:25, skipping insertion in model container
[2022-11-02 20:43:25,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:43:23" (2/3) ...
[2022-11-02 20:43:25,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c7a239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:43:25, skipping insertion in model container
[2022-11-02 20:43:25,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:25" (3/3) ...
[2022-11-02 20:43:25,748 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.i
[2022-11-02 20:43:25,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:43:25,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:43:25,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2022-11-02 20:43:25,768 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:43:25,861 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2022-11-02 20:43:25,915 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 20:43:25,928 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 136 transitions, 287 flow
[2022-11-02 20:43:25,931 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 136 transitions, 287 flow
[2022-11-02 20:43:25,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 136 transitions, 287 flow
[2022-11-02 20:43:26,018 INFO L130 PetriNetUnfolder]: 2/133 cut-off events.
[2022-11-02 20:43:26,018 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2022-11-02 20:43:26,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place.
[2022-11-02 20:43:26,023 INFO L118 LiptonReduction]: Number of co-enabled transitions 2352
[2022-11-02 20:43:32,170 WARN L234 SmtUtils]: Spent 5.16s on a formula simplification. DAG size of input: 406 DAG size of output: 364 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2022-11-02 20:43:40,099 WARN L234 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 566 DAG size of output: 532 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)
[2022-11-02 20:43:53,489 INFO L133 LiptonReduction]: Checked pairs total: 7309
[2022-11-02 20:43:53,490 INFO L135 LiptonReduction]: Total number of compositions: 120
[2022-11-02 20:43:53,497 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 28 transitions, 71 flow
[2022-11-02 20:43:53,619 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1090 states, 1064 states have (on average 3.2904135338345863) internal successors, (3501), 1089 states have internal predecessors, (3501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:53,636 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:43:53,641 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7497e945, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:43:53,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2022-11-02 20:43:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 1090 states, 1064 states have (on average 3.2904135338345863) internal successors, (3501), 1089 states have internal predecessors, (3501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2022-11-02 20:43:53,652 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:43:53,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2022-11-02 20:43:53,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:43:53,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:43:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash 40667234, now seen corresponding path program 1 times
[2022-11-02 20:43:53,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:43:53,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855343906]
[2022-11-02 20:43:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:43:53,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:43:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:43:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:43:54,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:43:54,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855343906]
[2022-11-02 20:43:54,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855343906] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:43:54,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:43:54,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:43:54,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870812114]
[2022-11-02 20:43:54,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:43:54,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:43:54,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:43:54,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:43:54,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:43:54,094 INFO L87 Difference]: Start difference. First operand has 1090 states, 1064 states have (on average 3.2904135338345863) internal successors, (3501), 1089 states have internal predecessors, (3501), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:43:54,248 INFO L93 Difference]: Finished difference Result 598 states and 1687 transitions.
[2022-11-02 20:43:54,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:43:54,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4
[2022-11-02 20:43:54,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:43:54,275 INFO L225 Difference]: With dead ends: 598
[2022-11-02 20:43:54,275 INFO L226 Difference]: Without dead ends: 598
[2022-11-02 20:43:54,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:43:54,280 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:43:54,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 9 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:43:54,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states.
[2022-11-02 20:43:54,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598.
[2022-11-02 20:43:54,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 580 states have (on average 2.9086206896551725) internal successors, (1687), 597 states have internal predecessors, (1687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1687 transitions.
[2022-11-02 20:43:54,368 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1687 transitions. Word has length 4
[2022-11-02 20:43:54,369 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:43:54,369 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 1687 transitions.
[2022-11-02 20:43:54,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,370 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1687 transitions.
[2022-11-02 20:43:54,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-02 20:43:54,371 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:43:54,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:43:54,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:43:54,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:43:54,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:43:54,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1608526595, now seen corresponding path program 1 times
[2022-11-02 20:43:54,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:43:54,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876937640]
[2022-11-02 20:43:54,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:43:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:43:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:43:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:43:54,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:43:54,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876937640]
[2022-11-02 20:43:54,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876937640] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:43:54,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:43:54,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:43:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197583689]
[2022-11-02 20:43:54,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:43:54,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:43:54,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:43:54,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:43:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:43:54,544 INFO L87 Difference]: Start difference. First operand 598 states and 1687 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:43:54,669 INFO L93 Difference]: Finished difference Result 466 states and 1339 transitions.
[2022-11-02 20:43:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:43:54,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-11-02 20:43:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:43:54,673 INFO L225 Difference]: With dead ends: 466
[2022-11-02 20:43:54,673 INFO L226 Difference]: Without dead ends: 466
[2022-11-02 20:43:54,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:43:54,675 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:43:54,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 12 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:43:54,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states.
[2022-11-02 20:43:54,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466.
[2022-11-02 20:43:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 460 states have (on average 2.9108695652173915) internal successors, (1339), 465 states have internal predecessors, (1339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 1339 transitions.
[2022-11-02 20:43:54,706 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 1339 transitions. Word has length 9
[2022-11-02 20:43:54,706 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:43:54,707 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 1339 transitions.
[2022-11-02 20:43:54,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1339 transitions.
[2022-11-02 20:43:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 20:43:54,708 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:43:54,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:43:54,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:43:54,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:43:54,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:43:54,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1675283966, now seen corresponding path program 1 times
[2022-11-02 20:43:54,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:43:54,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523074825]
[2022-11-02 20:43:54,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:43:54,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:43:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:43:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:43:54,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:43:54,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523074825]
[2022-11-02 20:43:54,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523074825] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:43:54,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:43:54,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:43:54,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044951142]
[2022-11-02 20:43:54,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:43:54,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:43:54,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:43:54,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:43:54,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:43:54,890 INFO L87 Difference]: Start difference. First operand 466 states and 1339 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:43:55,007 INFO L93 Difference]: Finished difference Result 370 states and 1078 transitions.
[2022-11-02 20:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:43:55,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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
[2022-11-02 20:43:55,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:43:55,014 INFO L225 Difference]: With dead ends: 370
[2022-11-02 20:43:55,014 INFO L226 Difference]: Without dead ends: 370
[2022-11-02 20:43:55,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:43:55,016 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 25 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:43:55,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 12 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:43:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states.
[2022-11-02 20:43:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370.
[2022-11-02 20:43:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 367 states have (on average 2.9373297002724796) internal successors, (1078), 369 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 1078 transitions.
[2022-11-02 20:43:55,065 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 1078 transitions. Word has length 10
[2022-11-02 20:43:55,065 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:43:55,065 INFO L495 AbstractCegarLoop]: Abstraction has 370 states and 1078 transitions.
[2022-11-02 20:43:55,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,066 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1078 transitions.
[2022-11-02 20:43:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-11-02 20:43:55,072 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:43:55,072 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:43:55,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 20:43:55,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2022-11-02 20:43:55,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:43:55,074 INFO L85 PathProgramCache]: Analyzing trace with hash 987520652, now seen corresponding path program 1 times
[2022-11-02 20:43:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:43:55,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041188776]
[2022-11-02 20:43:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:43:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:43:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:43:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:43:55,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:43:55,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041188776]
[2022-11-02 20:43:55,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041188776] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:43:55,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:43:55,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-11-02 20:43:55,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096342471]
[2022-11-02 20:43:55,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:43:55,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:43:55,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:43:55,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:43:55,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:43:55,293 INFO L87 Difference]: Start difference. First operand 370 states and 1078 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:43:55,403 INFO L93 Difference]: Finished difference Result 358 states and 1057 transitions.
[2022-11-02 20:43:55,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:43:55,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2022-11-02 20:43:55,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:43:55,404 INFO L225 Difference]: With dead ends: 358
[2022-11-02 20:43:55,404 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:43:55,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:43:55,410 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 46 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:43:55,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 9 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:43:55,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:43:55,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:43:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:43:55,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16
[2022-11-02 20:43:55,417 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:43:55,418 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:43:55,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:43:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:43:55,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:43:55,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2022-11-02 20:43:55,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2022-11-02 20:43:55,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2022-11-02 20:43:55,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2022-11-02 20:43:55,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2022-11-02 20:43:55,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2022-11-02 20:43:55,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2022-11-02 20:43:55,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2022-11-02 20:43:55,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2022-11-02 20:43:55,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2022-11-02 20:43:55,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2022-11-02 20:43:55,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2022-11-02 20:43:55,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2022-11-02 20:43:55,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2022-11-02 20:43:55,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2022-11-02 20:43:55,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 20:43:55,436 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2022-11-02 20:43:55,447 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-11-02 20:43:55,447 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:43:55,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:43:55 BasicIcfg
[2022-11-02 20:43:55,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:43:55,451 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:43:55,451 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:43:55,451 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:43:55,451 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:43:25" (3/4) ...
[2022-11-02 20:43:55,454 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:43:55,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2022-11-02 20:43:55,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2022-11-02 20:43:55,460 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2022-11-02 20:43:55,466 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges
[2022-11-02 20:43:55,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:43:55,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:43:55,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:43:55,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:43:55,507 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:43:55,508 INFO L158 Benchmark]: Toolchain (without parser) took 32472.33ms. Allocated memory was 123.7MB in the beginning and 209.7MB in the end (delta: 86.0MB). Free memory was 88.9MB in the beginning and 118.4MB in the end (delta: -29.5MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,508 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:43:55,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 807.16ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 85.5MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,509 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.30ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,509 INFO L158 Benchmark]: Boogie Preprocessor took 74.36ms. Allocated memory is still 123.7MB. Free memory was 83.1MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,510 INFO L158 Benchmark]: RCFGBuilder took 1725.78ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 80.6MB in the beginning and 85.9MB in the end (delta: -5.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,510 INFO L158 Benchmark]: TraceAbstraction took 29709.39ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 84.8MB in the beginning and 122.6MB in the end (delta: -37.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,510 INFO L158 Benchmark]: Witness Printer took 56.84ms. Allocated memory is still 209.7MB. Free memory was 122.6MB in the beginning and 118.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:43:55,512 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 90.2MB. Free memory was 47.9MB in the beginning and 47.8MB in the end (delta: 36.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 807.16ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 85.5MB in the end (delta: 3.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 87.30ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 83.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 74.36ms. Allocated memory is still 123.7MB. Free memory was 83.1MB in the beginning and 80.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1725.78ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 80.6MB in the beginning and 85.9MB in the end (delta: -5.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 29709.39ms. Allocated memory was 151.0MB in the beginning and 209.7MB in the end (delta: 58.7MB). Free memory was 84.8MB in the beginning and 122.6MB in the end (delta: -37.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB.
* Witness Printer took 56.84ms. Allocated memory is still 209.7MB. Free memory was 122.6MB in the beginning and 118.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 27.6s, 144 PlacesBefore, 38 PlacesAfterwards, 136 TransitionsBefore, 28 TransitionsAfterwards, 2352 CoEnabledTransitionPairs, 7 FixpointIterations, 60 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 2 ChoiceCompositions, 120 TotalNumberOfCompositions, 7309 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3070, positive: 2814, positive conditional: 0, positive unconditional: 2814, negative: 256, negative conditional: 0, negative unconditional: 256, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1619, positive: 1547, positive conditional: 0, positive unconditional: 1547, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1619, positive: 1521, positive conditional: 0, positive unconditional: 1521, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2045, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 1068, negative conditional: 0, negative unconditional: 1068, unknown: 881, unknown conditional: 0, unknown unconditional: 881] ], Cache Queries: [ total: 3070, positive: 1267, positive conditional: 0, positive unconditional: 1267, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 1619, unknown conditional: 0, unknown unconditional: 1619] , Statistics on independence cache: Total cache size (in pairs): 165, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27
- 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: 785]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 785]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 800]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 800]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 820]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 820]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 7 procedures, 166 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 29.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 27.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 110 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 21 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1090occurred in iteration=0, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:43:55,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0cdad6a-ad5f-45cf-87b4-afa489907fb2/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE