./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/geo1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-nla/geo1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:40:51,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:40:51,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:40:51,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:40:51,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:40:51,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:40:51,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:40:51,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:40:51,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:40:51,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:40:51,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:40:51,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:40:51,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:40:51,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:40:51,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:40:51,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:40:51,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:40:51,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:40:51,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:40:51,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:40:51,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:40:51,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:40:51,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:40:51,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:40:51,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:40:51,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:40:51,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:40:51,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:40:51,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:40:51,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:40:51,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:40:51,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:40:51,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:40:51,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:40:51,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:40:51,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:40:51,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:40:51,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:40:51,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:40:51,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:40:51,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:40:51,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 15:40:51,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:40:51,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:40:51,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:40:51,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:40:51,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:40:51,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:40:51,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:40:51,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:40:51,982 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:40:51,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:40:51,983 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:40:51,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:40:51,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:40:51,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:40:51,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:40:51,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:40:51,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:40:51,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:40:51,986 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:40:51,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:40:51,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:40:51,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:40:51,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:40:51,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:40:51,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:40:51,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:40:51,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:40:51,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:40:51,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:40:51,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:40:51,990 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:40:51,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:40:51,990 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:40:51,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:40:51,991 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:40:51,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:40:51,992 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02059a7c4b7b922395986679dcda00ae0f1aedf3f381a067de494c2934fbed7c [2022-11-25 15:40:52,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:40:52,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:40:52,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:40:52,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:40:52,327 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:40:52,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-nla/geo1-both-t.c [2022-11-25 15:40:55,464 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:40:55,702 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:40:55,703 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/sv-benchmarks/c/termination-nla/geo1-both-t.c [2022-11-25 15:40:55,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/data/7130399b8/a9acb87f3e7242d6908bc93d4f7d6b24/FLAG31f8a53a7 [2022-11-25 15:40:55,728 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/data/7130399b8/a9acb87f3e7242d6908bc93d4f7d6b24 [2022-11-25 15:40:55,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:40:55,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:40:55,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:55,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:40:55,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:40:55,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:55,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b3f529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55, skipping insertion in model container [2022-11-25 15:40:55,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:55,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:40:55,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:40:55,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:55,939 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:40:55,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:40:55,972 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:40:55,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55 WrapperNode [2022-11-25 15:40:55,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:40:55,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:55,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:40:55,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:40:55,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:55,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,007 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-25 15:40:56,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:40:56,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:40:56,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:40:56,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:40:56,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,028 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:40:56,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:40:56,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:40:56,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:40:56,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (1/1) ... [2022-11-25 15:40:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:40:56,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:56,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:40:56,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:40:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:40:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:40:56,191 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:40:56,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:40:56,496 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:40:56,505 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:40:56,505 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:40:56,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:56 BoogieIcfgContainer [2022-11-25 15:40:56,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:40:56,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:40:56,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:40:56,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:40:56,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:40:55" (1/3) ... [2022-11-25 15:40:56,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:40:56, skipping insertion in model container [2022-11-25 15:40:56,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:55" (2/3) ... [2022-11-25 15:40:56,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d13715f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:40:56, skipping insertion in model container [2022-11-25 15:40:56,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:56" (3/3) ... [2022-11-25 15:40:56,518 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-both-t.c [2022-11-25 15:40:56,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:40:56,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-25 15:40:56,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:40:56,603 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6d1d3438, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:40:56,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-25 15:40:56,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 50 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:56,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 15:40:56,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:40:56,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 15:40:56,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-25 15:40:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:56,624 INFO L85 PathProgramCache]: Analyzing trace with hash 927173, now seen corresponding path program 1 times [2022-11-25 15:40:56,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:56,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764275357] [2022-11-25 15:40:56,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:56,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:40:56,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764275357] [2022-11-25 15:40:56,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764275357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:40:56,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:40:56,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:40:56,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849345684] [2022-11-25 15:40:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:40:56,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:40:56,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:40:56,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:40:56,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:40:56,857 INFO L87 Difference]: Start difference. First operand has 51 states, 28 states have (on average 1.8928571428571428) internal successors, (53), 50 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2022-11-25 15:40:56,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:40:56,879 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2022-11-25 15:40:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:40:56,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 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 [2022-11-25 15:40:56,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:40:56,899 INFO L225 Difference]: With dead ends: 62 [2022-11-25 15:40:56,900 INFO L226 Difference]: Without dead ends: 48 [2022-11-25 15:40:56,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:40:56,909 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:40:56,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:40:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-25 15:40:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-25 15:40:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.8461538461538463) internal successors, (48), 47 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:56,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2022-11-25 15:40:56,963 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 4 [2022-11-25 15:40:56,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:40:56,964 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2022-11-25 15:40:56,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 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) [2022-11-25 15:40:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-11-25 15:40:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-25 15:40:56,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:40:56,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-25 15:40:56,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:40:56,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-25 15:40:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:56,968 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2022-11-25 15:40:56,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:56,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753518564] [2022-11-25 15:40:56,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:57,006 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:40:57,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604839668] [2022-11-25 15:40:57,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:57,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:57,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:57,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:40:57,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:40:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:57,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:57,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:57,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:40:57,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:40:57,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753518564] [2022-11-25 15:40:57,136 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 15:40:57,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604839668] [2022-11-25 15:40:57,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604839668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:40:57,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:40:57,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:40:57,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320234269] [2022-11-25 15:40:57,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:40:57,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:40:57,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:40:57,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:40:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:40:57,141 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-11-25 15:40:57,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:40:57,312 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2022-11-25 15:40:57,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:40:57,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2022-11-25 15:40:57,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:40:57,314 INFO L225 Difference]: With dead ends: 90 [2022-11-25 15:40:57,314 INFO L226 Difference]: Without dead ends: 87 [2022-11-25 15:40:57,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:40:57,316 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 37 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 15:40:57,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 20 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 15:40:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-25 15:40:57,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 65. [2022-11-25 15:40:57,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 43 states have (on average 1.813953488372093) internal successors, (78), 64 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2022-11-25 15:40:57,327 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 4 [2022-11-25 15:40:57,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:40:57,328 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2022-11-25 15:40:57,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2022-11-25 15:40:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2022-11-25 15:40:57,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:40:57,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:40:57,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:40:57,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:57,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:57,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-25 15:40:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:57,537 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2022-11-25 15:40:57,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:57,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400708803] [2022-11-25 15:40:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:57,544 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:40:57,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [276842141] [2022-11-25 15:40:57,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:57,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:57,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:57,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:40:57,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 15:40:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:40:57,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 15:40:57,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:40:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:40:57,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:40:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:40:57,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400708803] [2022-11-25 15:40:57,655 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-25 15:40:57,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276842141] [2022-11-25 15:40:57,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276842141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:40:57,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:40:57,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:40:57,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045539261] [2022-11-25 15:40:57,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:40:57,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:40:57,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:40:57,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:40:57,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:40:57,658 INFO L87 Difference]: Start difference. First operand 65 states and 78 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:57,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:40:57,814 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2022-11-25 15:40:57,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:40:57,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-25 15:40:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:40:57,816 INFO L225 Difference]: With dead ends: 87 [2022-11-25 15:40:57,817 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 15:40:57,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:40:57,819 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:40:57,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 25 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:40:57,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 15:40:57,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 68. [2022-11-25 15:40:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 67 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:57,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-11-25 15:40:57,829 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 5 [2022-11-25 15:40:57,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:40:57,830 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-11-25 15:40:57,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:40:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-11-25 15:40:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 15:40:57,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:40:57,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 15:40:57,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:40:58,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:58,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-11-25 15:40:58,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:40:58,038 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2022-11-25 15:40:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:40:58,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467316169] [2022-11-25 15:40:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:58,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:40:58,045 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 15:40:58,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563779012] [2022-11-25 15:40:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:40:58,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:40:58,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:40:58,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 15:40:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:58,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:40:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:40:58,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:40:58,116 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:40:58,118 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2022-11-25 15:40:58,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2022-11-25 15:40:58,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2022-11-25 15:40:58,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2022-11-25 15:40:58,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2022-11-25 15:40:58,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2022-11-25 15:40:58,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2022-11-25 15:40:58,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2022-11-25 15:40:58,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2022-11-25 15:40:58,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2022-11-25 15:40:58,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2022-11-25 15:40:58,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2022-11-25 15:40:58,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2022-11-25 15:40:58,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2022-11-25 15:40:58,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2022-11-25 15:40:58,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2022-11-25 15:40:58,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2022-11-25 15:40:58,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2022-11-25 15:40:58,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2022-11-25 15:40:58,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2022-11-25 15:40:58,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2022-11-25 15:40:58,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2022-11-25 15:40:58,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-25 15:40:58,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:40:58,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 15:40:58,350 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:40:58,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:40:58 BoogieIcfgContainer [2022-11-25 15:40:58,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:40:58,370 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:40:58,370 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:40:58,370 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:40:58,371 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:56" (3/4) ... [2022-11-25 15:40:58,374 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:40:58,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:40:58,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:40:58,426 INFO L158 Benchmark]: Toolchain (without parser) took 2693.82ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-25 15:40:58,433 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:58,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.38ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 92.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:40:58,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:58,438 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 89.7MB in the end (delta: 887.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:58,438 INFO L158 Benchmark]: RCFGBuilder took 476.47ms. Allocated memory is still 159.4MB. Free memory was 89.7MB in the beginning and 77.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:40:58,438 INFO L158 Benchmark]: TraceAbstraction took 1858.65ms. Allocated memory is still 159.4MB. Free memory was 76.4MB in the beginning and 102.6MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:40:58,439 INFO L158 Benchmark]: Witness Printer took 55.96ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:40:58,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.38ms. Allocated memory is still 159.4MB. Free memory was 101.9MB in the beginning and 92.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 159.4MB. Free memory was 92.4MB in the beginning and 90.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 89.7MB in the end (delta: 887.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.47ms. Allocated memory is still 159.4MB. Free memory was 89.7MB in the beginning and 77.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1858.65ms. Allocated memory is still 159.4MB. Free memory was 76.4MB in the beginning and 102.6MB in the end (delta: -26.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.96ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 35]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int z, k; [L24] int x, y, c; [L25] z = __VERIFIER_nondet_int() [L26] k = __VERIFIER_nondet_int() [L28] x = 1 [L29] y = z [L30] c = 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L32] COND TRUE 1 VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] EXPR x*z VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] [L35] x*z - x VAL [c=1, k=0, x=1, y=-2147483648, z=-2147483648] - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 38]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 145 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 84 mSDtfsCounter, 145 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 35 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 44 SizeOfPredicates, 0 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:40:58,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b7ea19-d632-48b8-9664-17ddd5e8b39b/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)