./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 --- 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-b5237d8 [2022-11-22 01:41:16,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:41:16,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:41:16,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:41:16,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:41:16,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:41:16,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:41:16,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:41:16,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:41:16,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:41:16,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:41:16,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:41:16,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:41:16,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:41:16,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:41:16,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:41:16,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:41:16,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:41:16,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:41:16,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:41:16,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:41:16,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:41:16,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:41:16,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:41:16,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:41:16,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:41:16,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:41:16,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:41:16,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:41:16,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:41:16,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:41:16,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:41:16,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:41:16,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:41:16,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:41:16,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:41:16,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:41:16,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:41:16,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:41:16,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:41:16,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:41:16,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:41:16,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:41:16,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:41:16,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:41:16,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:41:16,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:41:16,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:41:16,878 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:41:16,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:41:16,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:41:16,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:41:16,880 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:41:16,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:41:16,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:41:16,881 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:41:16,881 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:41:16,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:41:16,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:41:16,882 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:41:16,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:41:16,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:41:16,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:41:16,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:41:16,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:41:16,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:41:16,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:41:16,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:41:16,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:41:16,886 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:41:16,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:41:16,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:41:16,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:41:16,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:41:16,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:41:16,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:41:16,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:16,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:41:16,888 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:41:16,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:41:16,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:41:16,889 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:41:16,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:41:16,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:41:16,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:41:16,890 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_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b7204af3591799bdde98d626e5c17b99e9c1ebc668ecbb3e0b1bb3bb8aa3c2 [2022-11-22 01:41:17,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:41:17,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:41:17,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:41:17,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:41:17,246 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:41:17,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2022-11-22 01:41:20,617 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:41:20,949 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:41:20,949 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i [2022-11-22 01:41:20,973 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/data/babb2baae/e1aa517006ae4c83807949329063ed7d/FLAG484f06497 [2022-11-22 01:41:20,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/data/babb2baae/e1aa517006ae4c83807949329063ed7d [2022-11-22 01:41:20,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:41:20,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:41:21,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:21,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:41:21,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:41:21,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:20" (1/1) ... [2022-11-22 01:41:21,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cef969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21, skipping insertion in model container [2022-11-22 01:41:21,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:41:20" (1/1) ... [2022-11-22 01:41:21,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:41:21,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:41:21,283 WARN L237 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_ce29fe19-df2a-439e-8e07-fc64d11a725d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2022-11-22 01:41:21,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:21,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:41:21,674 WARN L237 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_ce29fe19-df2a-439e-8e07-fc64d11a725d/sv-benchmarks/c/pthread-wmm/mix001.oepc.i[988,1001] [2022-11-22 01:41:21,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:41:21,835 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:41:21,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21 WrapperNode [2022-11-22 01:41:21,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:41:21,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:21,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:41:21,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:41:21,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:21,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:21,974 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 152 [2022-11-22 01:41:21,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:41:21,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:41:21,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:41:21,984 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:41:21,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:21,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:41:22,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:41:22,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:41:22,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:41:22,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (1/1) ... [2022-11-22 01:41:22,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:41:22,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:41:22,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:41:22,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:41:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:41:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-22 01:41:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:41:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:41:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:41:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-22 01:41:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-22 01:41:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-22 01:41:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-22 01:41:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-22 01:41:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-22 01:41:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:41:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-22 01:41:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:41:22,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:41:22,230 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:41:22,517 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:41:22,520 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:41:23,156 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:41:23,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:41:23,325 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:41:23,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:23 BoogieIcfgContainer [2022-11-22 01:41:23,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:41:23,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:41:23,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:41:23,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:41:23,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:41:20" (1/3) ... [2022-11-22 01:41:23,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c75609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:23, skipping insertion in model container [2022-11-22 01:41:23,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:41:21" (2/3) ... [2022-11-22 01:41:23,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c75609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:41:23, skipping insertion in model container [2022-11-22 01:41:23,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:23" (3/3) ... [2022-11-22 01:41:23,340 INFO L112 eAbstractionObserver]: Analyzing ICFG mix001.oepc.i [2022-11-22 01:41:23,350 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:41:23,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:41:23,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 01:41:23,365 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:41:23,455 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:41:23,497 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:41:23,544 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-22 01:41:23,548 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 126 transitions, 267 flow [2022-11-22 01:41:23,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 126 transitions, 267 flow [2022-11-22 01:41:23,622 INFO L130 PetriNetUnfolder]: 2/123 cut-off events. [2022-11-22 01:41:23,623 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 01:41:23,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 123 events. 2/123 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 80. Up to 2 conditions per place. [2022-11-22 01:41:23,632 INFO L119 LiptonReduction]: Number of co-enabled transitions 2940 [2022-11-22 01:41:31,540 INFO L134 LiptonReduction]: Checked pairs total: 10879 [2022-11-22 01:41:31,541 INFO L136 LiptonReduction]: Total number of compositions: 108 [2022-11-22 01:41:31,552 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 34 transitions, 83 flow [2022-11-22 01:41:31,747 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2190 states, 2164 states have (on average 3.6007393715341958) internal successors, (7792), 2189 states have internal predecessors, (7792), 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) [2022-11-22 01:41:31,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:41:31,792 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;@14533d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:41:31,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-22 01:41:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 2190 states, 2164 states have (on average 3.6007393715341958) internal successors, (7792), 2189 states have internal predecessors, (7792), 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) [2022-11-22 01:41:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:41:31,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:31,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:41:31,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 01:41:31,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:31,822 INFO L85 PathProgramCache]: Analyzing trace with hash -184354825, now seen corresponding path program 1 times [2022-11-22 01:41:31,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:31,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740802104] [2022-11-22 01:41:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:31,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:32,351 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:32,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740802104] [2022-11-22 01:41:32,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740802104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:32,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:32,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:41:32,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036186013] [2022-11-22 01:41:32,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:32,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:41:32,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:32,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:41:32,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:41:32,419 INFO L87 Difference]: Start difference. First operand has 2190 states, 2164 states have (on average 3.6007393715341958) internal successors, (7792), 2189 states have internal predecessors, (7792), 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 3.0) internal successors, (6), 2 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) [2022-11-22 01:41:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:32,642 INFO L93 Difference]: Finished difference Result 1266 states and 3859 transitions. [2022-11-22 01:41:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:41:32,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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 [2022-11-22 01:41:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:32,680 INFO L225 Difference]: With dead ends: 1266 [2022-11-22 01:41:32,680 INFO L226 Difference]: Without dead ends: 1266 [2022-11-22 01:41:32,681 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 [2022-11-22 01:41:32,685 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 16 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:32,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 11 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:41:32,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2022-11-22 01:41:32,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1266. [2022-11-22 01:41:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1248 states have (on average 3.0921474358974357) internal successors, (3859), 1265 states have internal predecessors, (3859), 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) [2022-11-22 01:41:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 3859 transitions. [2022-11-22 01:41:32,857 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 3859 transitions. Word has length 6 [2022-11-22 01:41:32,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:32,858 INFO L495 AbstractCegarLoop]: Abstraction has 1266 states and 3859 transitions. [2022-11-22 01:41:32,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2022-11-22 01:41:32,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 3859 transitions. [2022-11-22 01:41:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:41:32,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:32,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:41:32,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:41:32,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 01:41:32,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1091635730, now seen corresponding path program 1 times [2022-11-22 01:41:32,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:32,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130065605] [2022-11-22 01:41:32,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:32,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:33,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:33,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130065605] [2022-11-22 01:41:33,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130065605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:33,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:33,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:41:33,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397130439] [2022-11-22 01:41:33,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:33,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:33,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:33,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:33,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:33,061 INFO L87 Difference]: Start difference. First operand 1266 states and 3859 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-22 01:41:33,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:33,255 INFO L93 Difference]: Finished difference Result 1094 states and 3401 transitions. [2022-11-22 01:41:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:41:33,255 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-22 01:41:33,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:33,265 INFO L225 Difference]: With dead ends: 1094 [2022-11-22 01:41:33,265 INFO L226 Difference]: Without dead ends: 1094 [2022-11-22 01:41:33,265 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 [2022-11-22 01:41:33,267 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:33,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 16 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:41:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-11-22 01:41:33,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1094. [2022-11-22 01:41:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1088 states have (on average 3.125919117647059) internal successors, (3401), 1093 states have internal predecessors, (3401), 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) [2022-11-22 01:41:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 3401 transitions. [2022-11-22 01:41:33,350 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 3401 transitions. Word has length 13 [2022-11-22 01:41:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:33,350 INFO L495 AbstractCegarLoop]: Abstraction has 1094 states and 3401 transitions. [2022-11-22 01:41:33,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-22 01:41:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 3401 transitions. [2022-11-22 01:41:33,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:41:33,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:33,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:41:33,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:41:33,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 01:41:33,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:33,367 INFO L85 PathProgramCache]: Analyzing trace with hash 518934748, now seen corresponding path program 1 times [2022-11-22 01:41:33,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:33,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547662309] [2022-11-22 01:41:33,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:33,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:33,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547662309] [2022-11-22 01:41:33,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547662309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:33,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:33,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:41:33,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163230084] [2022-11-22 01:41:33,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:33,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:41:33,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:33,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:41:33,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:41:33,533 INFO L87 Difference]: Start difference. First operand 1094 states and 3401 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-22 01:41:33,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:33,680 INFO L93 Difference]: Finished difference Result 958 states and 3030 transitions. [2022-11-22 01:41:33,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:41:33,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2022-11-22 01:41:33,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:33,687 INFO L225 Difference]: With dead ends: 958 [2022-11-22 01:41:33,687 INFO L226 Difference]: Without dead ends: 958 [2022-11-22 01:41:33,688 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 [2022-11-22 01:41:33,689 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 48 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:33,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 15 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:41:33,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-11-22 01:41:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2022-11-22 01:41:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 955 states have (on average 3.1727748691099475) internal successors, (3030), 957 states have internal predecessors, (3030), 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) [2022-11-22 01:41:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 3030 transitions. [2022-11-22 01:41:33,725 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 3030 transitions. Word has length 14 [2022-11-22 01:41:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:33,725 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 3030 transitions. [2022-11-22 01:41:33,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-22 01:41:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 3030 transitions. [2022-11-22 01:41:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-22 01:41:33,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:41:33,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:41:33,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:41:33,730 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-22 01:41:33,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:41:33,731 INFO L85 PathProgramCache]: Analyzing trace with hash 716365089, now seen corresponding path program 1 times [2022-11-22 01:41:33,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:41:33,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689273241] [2022-11-22 01:41:33,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:41:33,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:41:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:41:33,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:41:33,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:41:33,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689273241] [2022-11-22 01:41:33,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689273241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:41:33,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:41:33,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:41:33,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630879714] [2022-11-22 01:41:33,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:41:33,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:41:33,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:41:33,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:41:33,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:41:33,873 INFO L87 Difference]: Start difference. First operand 958 states and 3030 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-11-22 01:41:34,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:41:34,013 INFO L93 Difference]: Finished difference Result 946 states and 3009 transitions. [2022-11-22 01:41:34,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:41:34,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2022-11-22 01:41:34,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:41:34,014 INFO L225 Difference]: With dead ends: 946 [2022-11-22 01:41:34,014 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:41:34,014 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 [2022-11-22 01:41:34,015 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 56 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:41:34,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 12 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:41:34,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:41:34,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:41:34,017 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) [2022-11-22 01:41:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:41:34,017 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-22 01:41:34,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:41:34,017 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:41:34,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-11-22 01:41:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:41:34,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:41:34,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-22 01:41:34,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-22 01:41:34,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-22 01:41:34,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-22 01:41:34,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-22 01:41:34,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-22 01:41:34,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-22 01:41:34,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-22 01:41:34,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-22 01:41:34,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-22 01:41:34,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-22 01:41:34,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-22 01:41:34,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-22 01:41:34,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-22 01:41:34,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-22 01:41:34,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:41:34,026 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 01:41:34,031 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:41:34,031 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:41:34,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:41:34 BasicIcfg [2022-11-22 01:41:34,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:41:34,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:41:34,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:41:34,034 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:41:34,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:41:23" (3/4) ... [2022-11-22 01:41:34,038 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:41:34,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-22 01:41:34,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-22 01:41:34,043 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-22 01:41:34,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-22 01:41:34,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-22 01:41:34,049 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:41:34,049 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:41:34,085 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:41:34,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:41:34,086 INFO L158 Benchmark]: Toolchain (without parser) took 13087.55ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 99.4MB in the beginning and 88.1MB in the end (delta: 11.3MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,086 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:41:34,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.06ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 75.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 145.73ms. Allocated memory is still 144.7MB. Free memory was 75.0MB in the beginning and 115.2MB in the end (delta: -40.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,087 INFO L158 Benchmark]: Boogie Preprocessor took 109.86ms. Allocated memory is still 144.7MB. Free memory was 115.2MB in the beginning and 116.0MB in the end (delta: -780.6kB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,087 INFO L158 Benchmark]: RCFGBuilder took 1234.67ms. Allocated memory is still 144.7MB. Free memory was 116.0MB in the beginning and 72.9MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,088 INFO L158 Benchmark]: TraceAbstraction took 10702.81ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 72.9MB in the beginning and 91.2MB in the end (delta: -18.4MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,088 INFO L158 Benchmark]: Witness Printer took 51.34ms. Allocated memory is still 234.9MB. Free memory was 91.2MB in the beginning and 88.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:41:34,090 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.06ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 75.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 145.73ms. Allocated memory is still 144.7MB. Free memory was 75.0MB in the beginning and 115.2MB in the end (delta: -40.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.86ms. Allocated memory is still 144.7MB. Free memory was 115.2MB in the beginning and 116.0MB in the end (delta: -780.6kB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1234.67ms. Allocated memory is still 144.7MB. Free memory was 116.0MB in the beginning and 72.9MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10702.81ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 72.9MB in the beginning and 91.2MB in the end (delta: -18.4MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Witness Printer took 51.34ms. Allocated memory is still 234.9MB. Free memory was 91.2MB in the beginning and 88.1MB 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: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0s, 134 PlacesBefore, 43 PlacesAfterwards, 126 TransitionsBefore, 34 TransitionsAfterwards, 2940 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 1 ChoiceCompositions, 108 TotalNumberOfCompositions, 10879 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4951, independent: 4644, independent conditional: 0, independent unconditional: 4644, dependent: 307, dependent conditional: 0, dependent unconditional: 307, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2096, independent: 2014, independent conditional: 0, independent unconditional: 2014, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2096, independent: 1960, independent conditional: 0, independent unconditional: 1960, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 136, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 980, independent: 113, independent conditional: 0, independent unconditional: 113, dependent: 867, dependent conditional: 0, dependent unconditional: 867, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4951, independent: 2630, independent conditional: 0, independent unconditional: 2630, dependent: 225, dependent conditional: 0, dependent unconditional: 225, unknown: 2096, unknown conditional: 0, unknown unconditional: 2096] , Statistics on independence cache: Total cache size (in pairs): 302, Positive cache size: 259, Positive conditional cache size: 0, Positive unconditional cache size: 259, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 849]: 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, 161 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 10.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 240 IncrementalHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 26 mSDtfsCounter, 240 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=2190occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 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! [2022-11-22 01:41:34,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce29fe19-df2a-439e-8e07-fc64d11a725d/bin/utaipan-g80aRyZoba/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