./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS --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 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 --- 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-4e7fbc6 [2022-11-23 01:53:20,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:53:20,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:53:20,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:53:20,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:53:20,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:53:20,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:53:20,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:53:20,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:53:20,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:53:20,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:53:20,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:53:20,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:53:20,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:53:20,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:53:20,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:53:20,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:53:20,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:53:20,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:53:20,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:53:20,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:53:20,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:53:20,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:53:20,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:53:20,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:53:20,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:53:20,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:53:20,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:53:20,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:53:20,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:53:20,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:53:20,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:53:20,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:53:20,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:53:20,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:53:20,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:53:20,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:53:20,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:53:20,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:53:20,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:53:20,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:53:20,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-23 01:53:20,839 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:53:20,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:53:20,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:53:20,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:53:20,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:53:20,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:53:20,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:53:20,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:53:20,844 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:53:20,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:53:20,846 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:53:20,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:53:20,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:53:20,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:53:20,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:53:20,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:53:20,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:53:20,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:53:20,848 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:53:20,849 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:53:20,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:53:20,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:53:20,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:53:20,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:53:20,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:53:20,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:53:20,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:53:20,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:53:20,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:53:20,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:53:20,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:53:20,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:53:20,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:53:20,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:53:20,855 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:53:20,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:53:20,856 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_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c32e831c11e67575bf9fc4420a056c0795572e7218bcd99a0067a1a2caea6f7 [2022-11-23 01:53:21,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:53:21,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:53:21,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:53:21,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:53:21,316 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:53:21,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-11-23 01:53:25,076 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:53:25,475 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:53:25,475 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i [2022-11-23 01:53:25,519 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/data/533ed56f4/1957aa905bc3441daa3be95845ca9bd8/FLAGabb88e7bf [2022-11-23 01:53:25,536 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/data/533ed56f4/1957aa905bc3441daa3be95845ca9bd8 [2022-11-23 01:53:25,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:53:25,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:53:25,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:53:25,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:53:25,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:53:25,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:25" (1/1) ... [2022-11-23 01:53:25,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9f2a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:25, skipping insertion in model container [2022-11-23 01:53:25,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:25" (1/1) ... [2022-11-23 01:53:25,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:53:25,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:53:26,368 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_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-11-23 01:53:26,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:53:26,694 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:53:26,757 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_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-1.i[33022,33035] [2022-11-23 01:53:27,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:53:27,060 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:53:27,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27 WrapperNode [2022-11-23 01:53:27,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:53:27,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:53:27,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:53:27,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:53:27,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,301 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2171 [2022-11-23 01:53:27,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:53:27,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:53:27,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:53:27,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:53:27,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,497 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:53:27,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:53:27,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:53:27,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:53:27,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 01:53:27,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:53:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:27,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:53:27,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:53:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-11-23 01:53:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-11-23 01:53:27,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 01:53:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 01:53:27,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 01:53:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 01:53:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 01:53:27,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 01:53:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:53:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:53:27,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 01:53:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:53:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 01:53:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 01:53:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:53:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:53:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:53:27,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:53:28,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:53:28,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:53:31,463 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:53:31,474 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:53:31,474 INFO L300 CfgBuilder]: Removed 151 assume(true) statements. [2022-11-23 01:53:31,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:31 BoogieIcfgContainer [2022-11-23 01:53:31,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:53:31,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:53:31,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:53:31,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:53:31,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:25" (1/3) ... [2022-11-23 01:53:31,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295341ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:31, skipping insertion in model container [2022-11-23 01:53:31,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (2/3) ... [2022-11-23 01:53:31,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@295341ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:31, skipping insertion in model container [2022-11-23 01:53:31,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:31" (3/3) ... [2022-11-23 01:53:31,487 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test10-1.i [2022-11-23 01:53:31,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:53:31,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-23 01:53:31,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:53:31,609 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;@7b57ad5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:53:31,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-23 01:53:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 434 states, 410 states have (on average 1.7170731707317073) internal successors, (704), 420 states have internal predecessors, (704), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 01:53:31,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 01:53:31,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:31,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:31,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:31,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:31,640 INFO L85 PathProgramCache]: Analyzing trace with hash -165268689, now seen corresponding path program 1 times [2022-11-23 01:53:31,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:31,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911573385] [2022-11-23 01:53:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:31,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:31,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:31,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911573385] [2022-11-23 01:53:31,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-23 01:53:31,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531783490] [2022-11-23 01:53:31,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:31,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:31,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:31,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:31,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 01:53:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:32,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 01:53:32,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:32,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:32,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:32,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531783490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:32,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:32,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:53:32,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367570293] [2022-11-23 01:53:32,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:32,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 01:53:32,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:32,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 01:53:32,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:53:32,320 INFO L87 Difference]: Start difference. First operand has 434 states, 410 states have (on average 1.7170731707317073) internal successors, (704), 420 states have internal predecessors, (704), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 01:53:32,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:32,537 INFO L93 Difference]: Finished difference Result 866 states and 1470 transitions. [2022-11-23 01:53:32,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 01:53:32,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2022-11-23 01:53:32,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:32,561 INFO L225 Difference]: With dead ends: 866 [2022-11-23 01:53:32,561 INFO L226 Difference]: Without dead ends: 430 [2022-11-23 01:53:32,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 01:53:32,580 INFO L413 NwaCegarLoop]: 573 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, 573 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 [2022-11-23 01:53:32,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:53:32,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-23 01:53:32,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2022-11-23 01:53:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 407 states have (on average 1.3316953316953317) internal successors, (542), 417 states have internal predecessors, (542), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:53:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 569 transitions. [2022-11-23 01:53:32,708 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 569 transitions. Word has length 7 [2022-11-23 01:53:32,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:32,709 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 569 transitions. [2022-11-23 01:53:32,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 01:53:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 569 transitions. [2022-11-23 01:53:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 01:53:32,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:32,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:32,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:32,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-23 01:53:32,922 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:32,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:32,923 INFO L85 PathProgramCache]: Analyzing trace with hash -165266767, now seen corresponding path program 1 times [2022-11-23 01:53:32,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:32,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137344422] [2022-11-23 01:53:32,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:32,994 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:32,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934279018] [2022-11-23 01:53:32,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:32,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:33,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:33,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 01:53:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:33,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 01:53:33,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:33,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 01:53:33,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 01:53:33,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 01:53:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:33,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:33,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:33,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137344422] [2022-11-23 01:53:33,568 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:33,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934279018] [2022-11-23 01:53:33,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934279018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:33,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:33,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:33,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802953187] [2022-11-23 01:53:33,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:33,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:53:33,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:33,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:53:33,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:33,573 INFO L87 Difference]: Start difference. First operand 430 states and 569 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-23 01:53:35,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:35,113 INFO L93 Difference]: Finished difference Result 520 states and 689 transitions. [2022-11-23 01:53:35,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:53:35,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 7 [2022-11-23 01:53:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:35,119 INFO L225 Difference]: With dead ends: 520 [2022-11-23 01:53:35,120 INFO L226 Difference]: Without dead ends: 518 [2022-11-23 01:53:35,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:53:35,122 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 198 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:35,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 1842 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-23 01:53:35,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2022-11-23 01:53:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 436. [2022-11-23 01:53:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 413 states have (on average 1.3292978208232447) internal successors, (549), 423 states have internal predecessors, (549), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:53:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 576 transitions. [2022-11-23 01:53:35,167 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 576 transitions. Word has length 7 [2022-11-23 01:53:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:35,176 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 576 transitions. [2022-11-23 01:53:35,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-23 01:53:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 576 transitions. [2022-11-23 01:53:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 01:53:35,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:35,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:35,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:35,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:35,386 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:35,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1659936842, now seen corresponding path program 1 times [2022-11-23 01:53:35,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:35,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180148134] [2022-11-23 01:53:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:35,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:35,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:35,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:35,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180148134] [2022-11-23 01:53:35,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180148134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:35,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:35,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:35,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480412340] [2022-11-23 01:53:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:35,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:53:35,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:35,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:53:35,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:53:35,927 INFO L87 Difference]: Start difference. First operand 436 states and 576 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:36,726 INFO L93 Difference]: Finished difference Result 684 states and 909 transitions. [2022-11-23 01:53:36,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:53:36,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-11-23 01:53:36,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:36,731 INFO L225 Difference]: With dead ends: 684 [2022-11-23 01:53:36,731 INFO L226 Difference]: Without dead ends: 436 [2022-11-23 01:53:36,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:36,734 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 4 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:36,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1533 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 01:53:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-11-23 01:53:36,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2022-11-23 01:53:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 413 states have (on average 1.3268765133171914) internal successors, (548), 423 states have internal predecessors, (548), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:53:36,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 575 transitions. [2022-11-23 01:53:36,763 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 575 transitions. Word has length 44 [2022-11-23 01:53:36,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:36,763 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 575 transitions. [2022-11-23 01:53:36,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:36,767 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 575 transitions. [2022-11-23 01:53:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 01:53:36,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:36,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:36,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 01:53:36,772 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:36,773 INFO L85 PathProgramCache]: Analyzing trace with hash -409129759, now seen corresponding path program 1 times [2022-11-23 01:53:36,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:36,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418573779] [2022-11-23 01:53:36,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:36,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:36,957 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:36,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928976732] [2022-11-23 01:53:36,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:36,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:36,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:36,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:37,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 01:53:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:37,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:53:37,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:37,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:37,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:37,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418573779] [2022-11-23 01:53:37,758 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:37,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928976732] [2022-11-23 01:53:37,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928976732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:37,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:37,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:53:37,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319446] [2022-11-23 01:53:37,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:37,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:53:37,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:37,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:53:37,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:37,762 INFO L87 Difference]: Start difference. First operand 436 states and 575 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:37,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:37,886 INFO L93 Difference]: Finished difference Result 885 states and 1173 transitions. [2022-11-23 01:53:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:53:37,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-23 01:53:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:37,890 INFO L225 Difference]: With dead ends: 885 [2022-11-23 01:53:37,890 INFO L226 Difference]: Without dead ends: 457 [2022-11-23 01:53:37,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:37,892 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 9 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:37,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1083 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:37,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-23 01:53:37,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 456. [2022-11-23 01:53:37,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 433 states have (on average 1.3117782909930715) internal successors, (568), 443 states have internal predecessors, (568), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:53:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 595 transitions. [2022-11-23 01:53:37,910 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 595 transitions. Word has length 58 [2022-11-23 01:53:37,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:37,911 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 595 transitions. [2022-11-23 01:53:37,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 595 transitions. [2022-11-23 01:53:37,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 01:53:37,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:37,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:37,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:38,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:38,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:38,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash -14762973, now seen corresponding path program 1 times [2022-11-23 01:53:38,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:38,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271615837] [2022-11-23 01:53:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:38,298 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:38,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906025051] [2022-11-23 01:53:38,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:38,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:38,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:38,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:38,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 01:53:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:39,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1556 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:53:39,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:39,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:39,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:39,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271615837] [2022-11-23 01:53:39,400 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:39,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906025051] [2022-11-23 01:53:39,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906025051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:39,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:39,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045213073] [2022-11-23 01:53:39,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:39,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:53:39,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:39,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:53:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:53:39,404 INFO L87 Difference]: Start difference. First operand 456 states and 595 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:39,539 INFO L93 Difference]: Finished difference Result 976 states and 1281 transitions. [2022-11-23 01:53:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:53:39,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-23 01:53:39,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:39,544 INFO L225 Difference]: With dead ends: 976 [2022-11-23 01:53:39,544 INFO L226 Difference]: Without dead ends: 528 [2022-11-23 01:53:39,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:39,547 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 515 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:39,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1467 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:39,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-11-23 01:53:39,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 442. [2022-11-23 01:53:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 419 states have (on average 1.305489260143198) internal successors, (547), 429 states have internal predecessors, (547), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 01:53:39,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 574 transitions. [2022-11-23 01:53:39,570 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 574 transitions. Word has length 58 [2022-11-23 01:53:39,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:39,571 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 574 transitions. [2022-11-23 01:53:39,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 574 transitions. [2022-11-23 01:53:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 01:53:39,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:39,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:39,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:39,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:39,785 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:39,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2009173205, now seen corresponding path program 1 times [2022-11-23 01:53:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:39,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715619179] [2022-11-23 01:53:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:39,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:39,926 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:39,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143870818] [2022-11-23 01:53:39,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:39,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:39,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:39,928 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:39,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 01:53:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:40,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 01:53:40,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:53:41,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:41,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:41,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715619179] [2022-11-23 01:53:41,339 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:41,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143870818] [2022-11-23 01:53:41,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143870818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:41,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:41,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:53:41,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604213645] [2022-11-23 01:53:41,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:41,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:53:41,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:41,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:53:41,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:41,342 INFO L87 Difference]: Start difference. First operand 442 states and 574 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:41,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:41,478 INFO L93 Difference]: Finished difference Result 1102 states and 1433 transitions. [2022-11-23 01:53:41,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:53:41,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-23 01:53:41,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:41,483 INFO L225 Difference]: With dead ends: 1102 [2022-11-23 01:53:41,483 INFO L226 Difference]: Without dead ends: 668 [2022-11-23 01:53:41,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:41,485 INFO L413 NwaCegarLoop]: 690 mSDtfsCounter, 246 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:41,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1225 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:41,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-11-23 01:53:41,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 664. [2022-11-23 01:53:41,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 636 states have (on average 1.2955974842767295) internal successors, (824), 646 states have internal predecessors, (824), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:53:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 861 transitions. [2022-11-23 01:53:41,516 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 861 transitions. Word has length 58 [2022-11-23 01:53:41,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:41,516 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 861 transitions. [2022-11-23 01:53:41,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:53:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 861 transitions. [2022-11-23 01:53:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-23 01:53:41,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:41,519 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:41,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:41,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:41,731 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:41,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:41,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2105717968, now seen corresponding path program 1 times [2022-11-23 01:53:41,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:41,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083167198] [2022-11-23 01:53:41,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:41,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:41,796 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:41,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [667030321] [2022-11-23 01:53:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:41,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:41,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:41,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:41,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 01:53:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:42,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 01:53:42,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:42,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 01:53:42,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 01:53:42,763 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-23 01:53:42,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-11-23 01:53:42,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-23 01:53:42,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 01:53:42,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 01:53:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 01:53:42,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:42,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:42,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083167198] [2022-11-23 01:53:42,848 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:42,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667030321] [2022-11-23 01:53:42,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667030321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:42,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:42,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:53:42,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177627486] [2022-11-23 01:53:42,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:42,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:53:42,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:42,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:53:42,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:42,859 INFO L87 Difference]: Start difference. First operand 664 states and 861 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:44,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:44,292 INFO L93 Difference]: Finished difference Result 1238 states and 1605 transitions. [2022-11-23 01:53:44,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:53:44,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 73 [2022-11-23 01:53:44,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:44,296 INFO L225 Difference]: With dead ends: 1238 [2022-11-23 01:53:44,296 INFO L226 Difference]: Without dead ends: 664 [2022-11-23 01:53:44,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:53:44,299 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 98 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:44,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 1867 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 01:53:44,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2022-11-23 01:53:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2022-11-23 01:53:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 636 states have (on average 1.2940251572327044) internal successors, (823), 646 states have internal predecessors, (823), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:53:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 860 transitions. [2022-11-23 01:53:44,334 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 860 transitions. Word has length 73 [2022-11-23 01:53:44,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:44,334 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 860 transitions. [2022-11-23 01:53:44,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 860 transitions. [2022-11-23 01:53:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 01:53:44,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:44,338 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:44,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:44,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:44,559 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:44,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash 363096575, now seen corresponding path program 1 times [2022-11-23 01:53:44,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:44,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259540351] [2022-11-23 01:53:44,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:44,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:44,772 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:44,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597468842] [2022-11-23 01:53:44,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:44,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:44,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:44,774 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:44,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 01:53:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:46,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:53:46,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 01:53:46,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:46,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:46,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259540351] [2022-11-23 01:53:46,226 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:46,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597468842] [2022-11-23 01:53:46,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597468842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:46,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:46,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:53:46,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093406018] [2022-11-23 01:53:46,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:46,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:53:46,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:46,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:53:46,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:46,231 INFO L87 Difference]: Start difference. First operand 664 states and 860 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:46,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:46,345 INFO L93 Difference]: Finished difference Result 1350 states and 1759 transitions. [2022-11-23 01:53:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:53:46,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 120 [2022-11-23 01:53:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:46,351 INFO L225 Difference]: With dead ends: 1350 [2022-11-23 01:53:46,351 INFO L226 Difference]: Without dead ends: 706 [2022-11-23 01:53:46,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:46,355 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 9 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:46,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1069 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:46,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-11-23 01:53:46,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 704. [2022-11-23 01:53:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 676 states have (on average 1.2766272189349113) internal successors, (863), 686 states have internal predecessors, (863), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:53:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 900 transitions. [2022-11-23 01:53:46,391 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 900 transitions. Word has length 120 [2022-11-23 01:53:46,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:46,391 INFO L495 AbstractCegarLoop]: Abstraction has 704 states and 900 transitions. [2022-11-23 01:53:46,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 900 transitions. [2022-11-23 01:53:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 01:53:46,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:46,401 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:46,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:46,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 01:53:46,619 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:46,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:46,620 INFO L85 PathProgramCache]: Analyzing trace with hash 424174595, now seen corresponding path program 1 times [2022-11-23 01:53:46,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:46,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608318625] [2022-11-23 01:53:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:46,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:46,833 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:46,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131557964] [2022-11-23 01:53:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:46,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:46,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:46,835 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:46,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 01:53:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:48,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:53:48,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 01:53:48,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:48,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:48,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608318625] [2022-11-23 01:53:48,531 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:48,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131557964] [2022-11-23 01:53:48,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131557964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:48,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:48,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:53:48,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749652536] [2022-11-23 01:53:48,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:48,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:53:48,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:48,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:53:48,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:53:48,534 INFO L87 Difference]: Start difference. First operand 704 states and 900 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:48,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:48,653 INFO L93 Difference]: Finished difference Result 1344 states and 1724 transitions. [2022-11-23 01:53:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:53:48,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 120 [2022-11-23 01:53:48,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:48,657 INFO L225 Difference]: With dead ends: 1344 [2022-11-23 01:53:48,657 INFO L226 Difference]: Without dead ends: 678 [2022-11-23 01:53:48,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:53:48,660 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 508 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:48,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1129 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:48,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2022-11-23 01:53:48,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 676. [2022-11-23 01:53:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 648 states have (on average 1.2669753086419753) internal successors, (821), 658 states have internal predecessors, (821), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:53:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 858 transitions. [2022-11-23 01:53:48,691 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 858 transitions. Word has length 120 [2022-11-23 01:53:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:48,692 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 858 transitions. [2022-11-23 01:53:48,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 858 transitions. [2022-11-23 01:53:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-23 01:53:48,694 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:48,694 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:48,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-23 01:53:48,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:48,912 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:48,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:48,912 INFO L85 PathProgramCache]: Analyzing trace with hash 933833013, now seen corresponding path program 1 times [2022-11-23 01:53:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:48,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529935049] [2022-11-23 01:53:48,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:49,143 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:49,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995366946] [2022-11-23 01:53:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:49,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:49,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:49,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:49,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 01:53:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:50,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 01:53:50,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:50,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 01:53:50,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:50,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:53:50,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529935049] [2022-11-23 01:53:50,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:53:50,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995366946] [2022-11-23 01:53:50,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995366946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:50,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:50,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:53:50,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565168882] [2022-11-23 01:53:50,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:50,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:53:50,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:53:50,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:53:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:50,998 INFO L87 Difference]: Start difference. First operand 676 states and 858 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:51,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:51,157 INFO L93 Difference]: Finished difference Result 1531 states and 1968 transitions. [2022-11-23 01:53:51,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:53:51,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 120 [2022-11-23 01:53:51,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:51,163 INFO L225 Difference]: With dead ends: 1531 [2022-11-23 01:53:51,163 INFO L226 Difference]: Without dead ends: 915 [2022-11-23 01:53:51,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:53:51,165 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 220 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:51,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1083 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:53:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2022-11-23 01:53:51,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 813. [2022-11-23 01:53:51,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 782 states have (on average 1.274936061381074) internal successors, (997), 792 states have internal predecessors, (997), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-23 01:53:51,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1040 transitions. [2022-11-23 01:53:51,208 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1040 transitions. Word has length 120 [2022-11-23 01:53:51,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:51,208 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1040 transitions. [2022-11-23 01:53:51,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 01:53:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1040 transitions. [2022-11-23 01:53:51,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-23 01:53:51,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:51,211 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:51,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 01:53:51,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 01:53:51,426 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:53:51,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1175279478, now seen corresponding path program 1 times [2022-11-23 01:53:51,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:53:51,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203828316] [2022-11-23 01:53:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:51,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:53:51,564 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:53:51,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416893155] [2022-11-23 01:53:51,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:51,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:53:51,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:53:51,566 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:53:51,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 01:54:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:48,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1249 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 01:54:48,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 01:54:48,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:48,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:48,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203828316] [2022-11-23 01:54:48,558 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:54:48,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416893155] [2022-11-23 01:54:48,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416893155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:48,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:48,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:48,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909240339] [2022-11-23 01:54:48,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:48,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:48,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:48,561 INFO L87 Difference]: Start difference. First operand 813 states and 1040 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 01:54:48,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:48,664 INFO L93 Difference]: Finished difference Result 1575 states and 2032 transitions. [2022-11-23 01:54:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:54:48,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 135 [2022-11-23 01:54:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:48,669 INFO L225 Difference]: With dead ends: 1575 [2022-11-23 01:54:48,670 INFO L226 Difference]: Without dead ends: 816 [2022-11-23 01:54:48,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:54:48,672 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 2 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:48,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1646 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:54:48,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2022-11-23 01:54:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2022-11-23 01:54:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 784 states have (on average 1.2755102040816326) internal successors, (1000), 795 states have internal predecessors, (1000), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2022-11-23 01:54:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1046 transitions. [2022-11-23 01:54:48,717 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1046 transitions. Word has length 135 [2022-11-23 01:54:48,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:48,718 INFO L495 AbstractCegarLoop]: Abstraction has 816 states and 1046 transitions. [2022-11-23 01:54:48,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 01:54:48,719 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1046 transitions. [2022-11-23 01:54:48,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-23 01:54:48,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:48,721 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:48,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 01:54:48,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 01:54:48,922 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:54:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:48,922 INFO L85 PathProgramCache]: Analyzing trace with hash -209215430, now seen corresponding path program 1 times [2022-11-23 01:54:48,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:48,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515941486] [2022-11-23 01:54:48,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:48,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:49,021 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:54:49,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700586611] [2022-11-23 01:54:49,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:54:49,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:54:49,023 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:54:49,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-23 01:54:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:52,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 01:54:52,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 01:54:52,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 01:54:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 01:54:52,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:54:52,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515941486] [2022-11-23 01:54:52,966 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:54:52,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700586611] [2022-11-23 01:54:52,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700586611] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 01:54:52,967 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 01:54:52,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-23 01:54:52,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629437519] [2022-11-23 01:54:52,968 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 01:54:52,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 01:54:52,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:54:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:54:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 01:54:52,970 INFO L87 Difference]: Start difference. First operand 816 states and 1046 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 8 states have internal predecessors, (131), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 01:54:53,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:53,230 INFO L93 Difference]: Finished difference Result 1589 states and 2059 transitions. [2022-11-23 01:54:53,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 01:54:53,232 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 8 states have internal predecessors, (131), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 139 [2022-11-23 01:54:53,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:53,237 INFO L225 Difference]: With dead ends: 1589 [2022-11-23 01:54:53,237 INFO L226 Difference]: Without dead ends: 827 [2022-11-23 01:54:53,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-11-23 01:54:53,240 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 17 mSDsluCounter, 2182 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2733 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:53,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2733 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 01:54:53,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2022-11-23 01:54:53,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 825. [2022-11-23 01:54:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 792 states have (on average 1.2803030303030303) internal successors, (1014), 803 states have internal predecessors, (1014), 22 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2022-11-23 01:54:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1060 transitions. [2022-11-23 01:54:53,287 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1060 transitions. Word has length 139 [2022-11-23 01:54:53,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:53,289 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1060 transitions. [2022-11-23 01:54:53,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 8 states have internal predecessors, (131), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 01:54:53,290 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1060 transitions. [2022-11-23 01:54:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-23 01:54:53,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:53,294 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:53,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-23 01:54:53,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:54:53,510 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:54:53,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:53,511 INFO L85 PathProgramCache]: Analyzing trace with hash 170091638, now seen corresponding path program 2 times [2022-11-23 01:54:53,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:54:53,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948150887] [2022-11-23 01:54:53,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:53,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:54:53,622 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:54:53,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773487828] [2022-11-23 01:54:53,623 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 01:54:53,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:54:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:54:53,625 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:54:53,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-23 01:56:58,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 01:56:58,223 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 01:56:58,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-23 01:56:58,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:56:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 32 proven. 65 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-23 01:56:58,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 01:56:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-23 01:56:58,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:56:58,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948150887] [2022-11-23 01:56:58,753 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 01:56:58,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773487828] [2022-11-23 01:56:58,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773487828] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 01:56:58,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-23 01:56:58,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6] total 15 [2022-11-23 01:56:58,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806046787] [2022-11-23 01:56:58,754 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-23 01:56:58,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-23 01:56:58,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:56:58,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-23 01:56:58,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-11-23 01:56:58,756 INFO L87 Difference]: Start difference. First operand 825 states and 1060 transitions. Second operand has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 01:56:59,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:56:59,564 INFO L93 Difference]: Finished difference Result 1651 states and 2152 transitions. [2022-11-23 01:56:59,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-23 01:56:59,565 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 147 [2022-11-23 01:56:59,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:56:59,569 INFO L225 Difference]: With dead ends: 1651 [2022-11-23 01:56:59,570 INFO L226 Difference]: Without dead ends: 834 [2022-11-23 01:56:59,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-11-23 01:56:59,573 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 571 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 2233 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 01:56:59,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 2233 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 01:56:59,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2022-11-23 01:56:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 825. [2022-11-23 01:56:59,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 792 states have (on average 1.2803030303030303) internal successors, (1014), 803 states have internal predecessors, (1014), 22 states have call successors, (22), 4 states have call predecessors, (22), 5 states have return successors, (24), 18 states have call predecessors, (24), 21 states have call successors, (24) [2022-11-23 01:56:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1060 transitions. [2022-11-23 01:56:59,621 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1060 transitions. Word has length 147 [2022-11-23 01:56:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:56:59,621 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1060 transitions. [2022-11-23 01:56:59,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.066666666666666) internal successors, (136), 15 states have internal predecessors, (136), 1 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-23 01:56:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1060 transitions. [2022-11-23 01:56:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-23 01:56:59,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:56:59,624 INFO L195 NwaCegarLoop]: trace histogram [24, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:56:59,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-23 01:56:59,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 01:56:59,835 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_int_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_int_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-23 01:56:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:56:59,835 INFO L85 PathProgramCache]: Analyzing trace with hash -626523530, now seen corresponding path program 3 times [2022-11-23 01:56:59,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:56:59,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166718724] [2022-11-23 01:56:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:56:59,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:56:59,975 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 01:56:59,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [373705415] [2022-11-23 01:56:59,976 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 01:56:59,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:56:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:56:59,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:56:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57deb9ae-de41-40f8-b6f4-3cbe8faa6739/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process