./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_dekker.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_dekker.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN --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 ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 --- 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-6b4ec56 [2022-11-20 12:42:15,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:42:15,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:42:15,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:42:15,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:42:15,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:42:15,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:42:15,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:42:15,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:42:15,980 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:42:15,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:42:15,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:42:15,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:42:15,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:42:15,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:42:15,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:42:16,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:42:16,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:42:16,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:42:16,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:42:16,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:42:16,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:42:16,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:42:16,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:42:16,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:42:16,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:42:16,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:42:16,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:42:16,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:42:16,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:42:16,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:42:16,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:42:16,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:42:16,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:42:16,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:42:16,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:42:16,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:42:16,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:42:16,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:42:16,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:42:16,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:42:16,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-20 12:42:16,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:42:16,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:42:16,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:42:16,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:42:16,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:42:16,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:42:16,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:42:16,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:42:16,095 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:42:16,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:42:16,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:42:16,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:42:16,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:42:16,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:42:16,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:42:16,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:42:16,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:42:16,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:42:16,097 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:42:16,098 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:42:16,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:42:16,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:42:16,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:42:16,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:42:16,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:42:16,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:42:16,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:42:16,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:42:16,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:42:16,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:42:16,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:42:16,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:42:16,101 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:42:16,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:42:16,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:42:16,102 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee7ff83d9ca4f9baaadd009c98a7dd30697b6140296199117a6b05757b5b9f74 [2022-11-20 12:42:16,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:42:16,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:42:16,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:42:16,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:42:16,494 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:42:16,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-20 12:42:19,671 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:42:20,147 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:42:20,148 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/sv-benchmarks/c/seq-pthread/cs_dekker.i [2022-11-20 12:42:20,168 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/data/372a078f3/fe7bfbad974a498b9ac0aeaaef4a4a6d/FLAG796b2559e [2022-11-20 12:42:20,187 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/data/372a078f3/fe7bfbad974a498b9ac0aeaaef4a4a6d [2022-11-20 12:42:20,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:42:20,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:42:20,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:42:20,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:42:20,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:42:20,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:20,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac9de0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20, skipping insertion in model container [2022-11-20 12:42:20,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:20,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:42:20,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:42:20,667 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_5fbea375-c129-458b-b965-b674777ff665/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-20 12:42:20,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:42:20,848 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:42:20,875 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_5fbea375-c129-458b-b965-b674777ff665/sv-benchmarks/c/seq-pthread/cs_dekker.i[23603,23616] [2022-11-20 12:42:20,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:42:20,975 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:42:20,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20 WrapperNode [2022-11-20 12:42:20,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:42:20,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:42:20,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:42:20,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:42:20,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,056 INFO L138 Inliner]: procedures = 145, calls = 300, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 452 [2022-11-20 12:42:21,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:42:21,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:42:21,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:42:21,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:42:21,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:42:21,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:42:21,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:42:21,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:42:21,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (1/1) ... [2022-11-20 12:42:21,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:42:21,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:21,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:42:21,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:42:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:42:21,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:42:21,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:42:21,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:42:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:42:21,244 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-11-20 12:42:21,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-11-20 12:42:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:42:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-11-20 12:42:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-11-20 12:42:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:42:21,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:42:21,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:42:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:42:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-11-20 12:42:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-11-20 12:42:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:42:21,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:42:21,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:42:21,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:42:21,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:42:24,595 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:42:24,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:42:24,604 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:42:24,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:24 BoogieIcfgContainer [2022-11-20 12:42:24,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:42:24,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:42:24,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:42:24,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:42:24,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:42:20" (1/3) ... [2022-11-20 12:42:24,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf3a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:42:24, skipping insertion in model container [2022-11-20 12:42:24,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:42:20" (2/3) ... [2022-11-20 12:42:24,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebf3a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:42:24, skipping insertion in model container [2022-11-20 12:42:24,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:24" (3/3) ... [2022-11-20 12:42:24,618 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_dekker.i [2022-11-20 12:42:24,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:42:24,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:42:24,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:42:24,712 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;@1d4581e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:42:24,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 12:42:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 92 states have internal predecessors, (117), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2022-11-20 12:42:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 12:42:24,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:24,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:42:24,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:24,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:24,732 INFO L85 PathProgramCache]: Analyzing trace with hash -506123702, now seen corresponding path program 1 times [2022-11-20 12:42:24,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:24,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735405971] [2022-11-20 12:42:24,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:24,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:25,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:25,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735405971] [2022-11-20 12:42:25,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735405971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:25,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:25,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:25,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56346564] [2022-11-20 12:42:25,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:25,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:42:25,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:25,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:42:25,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:42:25,393 INFO L87 Difference]: Start difference. First operand has 133 states, 84 states have (on average 1.3928571428571428) internal successors, (117), 92 states have internal predecessors, (117), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:25,538 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2022-11-20 12:42:25,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:42:25,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 12:42:25,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:25,550 INFO L225 Difference]: With dead ends: 266 [2022-11-20 12:42:25,550 INFO L226 Difference]: Without dead ends: 20 [2022-11-20 12:42:25,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:42:25,568 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 5 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:25,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 350 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:42:25,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-20 12:42:25,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-11-20 12:42:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-20 12:42:25,611 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2022-11-20 12:42:25,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:25,612 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-20 12:42:25,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:25,613 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-20 12:42:25,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 12:42:25,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:25,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-20 12:42:25,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:42:25,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:25,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:25,616 INFO L85 PathProgramCache]: Analyzing trace with hash -506122036, now seen corresponding path program 1 times [2022-11-20 12:42:25,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:25,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579801384] [2022-11-20 12:42:25,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:25,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579801384] [2022-11-20 12:42:25,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579801384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:25,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:25,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:25,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801563540] [2022-11-20 12:42:25,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:25,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:42:25,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:25,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:42:25,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:42:25,964 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:26,051 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2022-11-20 12:42:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:42:26,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-20 12:42:26,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:26,055 INFO L225 Difference]: With dead ends: 20 [2022-11-20 12:42:26,056 INFO L226 Difference]: Without dead ends: 18 [2022-11-20 12:42:26,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:42:26,058 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:26,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:42:26,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-20 12:42:26,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-20 12:42:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 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) [2022-11-20 12:42:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-20 12:42:26,063 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2022-11-20 12:42:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:26,064 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-20 12:42:26,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 12:42:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:42:26,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:26,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:26,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:42:26,065 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:26,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1623248058, now seen corresponding path program 1 times [2022-11-20 12:42:26,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:26,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806407074] [2022-11-20 12:42:26,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:26,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:26,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806407074] [2022-11-20 12:42:26,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806407074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:42:26,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123873855] [2022-11-20 12:42:26,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:26,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:26,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:26,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:42:26,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:42:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:26,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:42:26,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:26,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:42:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:26,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123873855] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:42:26,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:42:26,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-11-20 12:42:26,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874806984] [2022-11-20 12:42:26,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:42:26,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:42:26,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:26,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:42:26,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:42:26,758 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:26,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:26,901 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2022-11-20 12:42:26,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:42:26,901 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-20 12:42:26,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:26,902 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:42:26,902 INFO L226 Difference]: Without dead ends: 24 [2022-11-20 12:42:26,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:42:26,904 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:26,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 48 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:42:26,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-20 12:42:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 12:42:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-20 12:42:26,909 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 10 [2022-11-20 12:42:26,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:26,910 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-20 12:42:26,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-20 12:42:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:42:26,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:26,911 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 12:42:26,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:42:27,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:27,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:27,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:27,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1218969552, now seen corresponding path program 1 times [2022-11-20 12:42:27,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:27,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520819545] [2022-11-20 12:42:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:27,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:27,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:27,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520819545] [2022-11-20 12:42:27,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520819545] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:42:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087186851] [2022-11-20 12:42:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:27,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:27,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:27,454 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:42:27,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:42:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:27,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:42:27,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:42:27,813 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:42:27,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087186851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:27,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:42:27,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 12:42:27,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950967169] [2022-11-20 12:42:27,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:27,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:42:27,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:27,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:42:27,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:42:27,823 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 12:42:27,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:27,947 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-11-20 12:42:27,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:42:27,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 12:42:27,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:27,950 INFO L225 Difference]: With dead ends: 24 [2022-11-20 12:42:27,950 INFO L226 Difference]: Without dead ends: 23 [2022-11-20 12:42:27,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:42:27,951 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:27,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:42:27,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-20 12:42:27,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-20 12:42:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2022-11-20 12:42:27,956 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 11 [2022-11-20 12:42:27,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:27,956 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2022-11-20 12:42:27,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-11-20 12:42:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-11-20 12:42:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:42:27,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:27,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1] [2022-11-20 12:42:27,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:42:28,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:28,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:28,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:28,170 INFO L85 PathProgramCache]: Analyzing trace with hash 373580996, now seen corresponding path program 1 times [2022-11-20 12:42:28,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:28,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264344589] [2022-11-20 12:42:28,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:28,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 12:42:28,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:28,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264344589] [2022-11-20 12:42:28,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264344589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:28,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:28,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:28,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611621369] [2022-11-20 12:42:28,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:28,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:42:28,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:42:28,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:42:28,326 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:28,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:28,383 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-20 12:42:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:42:28,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 12:42:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:28,385 INFO L225 Difference]: With dead ends: 22 [2022-11-20 12:42:28,385 INFO L226 Difference]: Without dead ends: 21 [2022-11-20 12:42:28,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:42:28,387 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:28,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:42:28,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-11-20 12:42:28,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-11-20 12:42:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 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) [2022-11-20 12:42:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2022-11-20 12:42:28,392 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 14 [2022-11-20 12:42:28,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:28,393 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2022-11-20 12:42:28,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 12:42:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 12:42:28,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:28,394 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:28,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:42:28,395 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:28,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:28,396 INFO L85 PathProgramCache]: Analyzing trace with hash -528241858, now seen corresponding path program 2 times [2022-11-20 12:42:28,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:28,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461133504] [2022-11-20 12:42:28,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:28,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:28,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 12:42:28,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:28,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461133504] [2022-11-20 12:42:28,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461133504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:28,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:28,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:28,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819492918] [2022-11-20 12:42:28,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:28,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:42:28,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:28,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:42:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:42:28,575 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:28,655 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-11-20 12:42:28,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:42:28,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 12:42:28,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:28,657 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:42:28,657 INFO L226 Difference]: Without dead ends: 38 [2022-11-20 12:42:28,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:42:28,658 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:28,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:42:28,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-20 12:42:28,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-20 12:42:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 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) [2022-11-20 12:42:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2022-11-20 12:42:28,664 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2022-11-20 12:42:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:28,665 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2022-11-20 12:42:28,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2022-11-20 12:42:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 12:42:28,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:28,666 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1] [2022-11-20 12:42:28,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:42:28,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:28,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:28,668 INFO L85 PathProgramCache]: Analyzing trace with hash -289990562, now seen corresponding path program 1 times [2022-11-20 12:42:28,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:28,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038377613] [2022-11-20 12:42:28,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:28,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 12:42:28,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:28,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038377613] [2022-11-20 12:42:28,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038377613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:28,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:42:28,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:42:28,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280873734] [2022-11-20 12:42:28,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:28,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:42:28,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:28,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:42:28,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:42:28,903 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-20 12:42:28,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:28,956 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2022-11-20 12:42:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:42:28,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 35 [2022-11-20 12:42:28,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:28,958 INFO L225 Difference]: With dead ends: 38 [2022-11-20 12:42:28,958 INFO L226 Difference]: Without dead ends: 37 [2022-11-20 12:42:28,958 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 [2022-11-20 12:42:28,959 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:28,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:42:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-20 12:42:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-20 12:42:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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) [2022-11-20 12:42:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-20 12:42:28,966 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 35 [2022-11-20 12:42:28,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:28,966 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-20 12:42:28,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2022-11-20 12:42:28,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-20 12:42:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 12:42:28,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:42:28,968 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-20 12:42:28,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:42:28,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:42:28,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:42:28,969 INFO L85 PathProgramCache]: Analyzing trace with hash -399772670, now seen corresponding path program 1 times [2022-11-20 12:42:28,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:42:28,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549063894] [2022-11-20 12:42:28,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:28,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:42:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 12:42:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:42:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549063894] [2022-11-20 12:42:29,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549063894] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:42:29,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631910986] [2022-11-20 12:42:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:42:29,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:29,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:42:29,311 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:42:29,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:42:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:42:29,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:42:29,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:42:29,824 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 12:42:29,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:42:29,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631910986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:42:29,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:42:29,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-20 12:42:29,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37353549] [2022-11-20 12:42:29,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:42:29,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:42:29,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:42:29,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:42:29,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:42:29,827 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:42:29,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:29,963 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-20 12:42:29,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:42:29,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 36 [2022-11-20 12:42:29,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:29,964 INFO L225 Difference]: With dead ends: 37 [2022-11-20 12:42:29,964 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:42:29,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:42:29,965 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:29,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 33 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:42:29,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:42:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:42:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:42:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:42:29,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-20 12:42:29,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:42:29,967 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:42:29,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-11-20 12:42:29,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:42:29,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:42:29,971 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 12:42:29,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 12:42:29,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 12:42:29,972 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 12:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 12:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 12:42:29,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 12:42:29,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 12:42:29,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 12:42:30,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:42:30,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:42:30,375 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5 7) the Hoare annotation is: true [2022-11-20 12:42:30,375 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-11-20 12:42:30,375 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-11-20 12:42:30,375 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-11-20 12:42:30,375 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinEXIT(lines 642 663) no Hoare annotation was computed. [2022-11-20 12:42:30,376 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_joinENTRY(lines 642 663) the Hoare annotation is: true [2022-11-20 12:42:30,376 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_joinFINAL(lines 642 663) no Hoare annotation was computed. [2022-11-20 12:42:30,376 INFO L902 garLoopResultBuilder]: At program point L661(line 661) the Hoare annotation is: true [2022-11-20 12:42:30,376 INFO L899 garLoopResultBuilder]: For program point L661-1(line 661) no Hoare annotation was computed. [2022-11-20 12:42:30,376 INFO L899 garLoopResultBuilder]: For program point L655(lines 655 660) no Hoare annotation was computed. [2022-11-20 12:42:30,376 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2022-11-20 12:42:30,376 INFO L899 garLoopResultBuilder]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2022-11-20 12:42:30,377 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 649) no Hoare annotation was computed. [2022-11-20 12:42:30,377 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 641) no Hoare annotation was computed. [2022-11-20 12:42:30,377 INFO L902 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2022-11-20 12:42:30,377 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,377 INFO L902 garLoopResultBuilder]: At program point L783(line 783) the Hoare annotation is: true [2022-11-20 12:42:30,377 INFO L899 garLoopResultBuilder]: For program point L783-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,377 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2022-11-20 12:42:30,377 INFO L899 garLoopResultBuilder]: For program point L779-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,378 INFO L902 garLoopResultBuilder]: At program point L775(lines 775 790) the Hoare annotation is: true [2022-11-20 12:42:30,378 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,378 INFO L902 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: true [2022-11-20 12:42:30,378 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2022-11-20 12:42:30,378 INFO L902 garLoopResultBuilder]: At program point L784(line 784) the Hoare annotation is: true [2022-11-20 12:42:30,378 INFO L899 garLoopResultBuilder]: For program point L784-1(line 784) no Hoare annotation was computed. [2022-11-20 12:42:30,378 INFO L902 garLoopResultBuilder]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2022-11-20 12:42:30,378 INFO L899 garLoopResultBuilder]: For program point L780(line 780) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L899 garLoopResultBuilder]: For program point L780-2(line 780) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L899 garLoopResultBuilder]: For program point L640(line 640) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2022-11-20 12:42:30,379 INFO L899 garLoopResultBuilder]: For program point L789-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L902 garLoopResultBuilder]: At program point L785(line 785) the Hoare annotation is: true [2022-11-20 12:42:30,379 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,379 INFO L902 garLoopResultBuilder]: At program point L781(line 781) the Hoare annotation is: true [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point L781-1(lines 776 790) no Hoare annotation was computed. [2022-11-20 12:42:30,380 INFO L902 garLoopResultBuilder]: At program point L786(line 786) the Hoare annotation is: true [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point L786-1(line 786) no Hoare annotation was computed. [2022-11-20 12:42:30,380 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createFINAL(lines 664 677) no Hoare annotation was computed. [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point L666(lines 666 669) no Hoare annotation was computed. [2022-11-20 12:42:30,380 INFO L899 garLoopResultBuilder]: For program point __CS_pthread_createEXIT(lines 664 677) no Hoare annotation was computed. [2022-11-20 12:42:30,381 INFO L902 garLoopResultBuilder]: At program point __CS_pthread_createENTRY(lines 664 677) the Hoare annotation is: true [2022-11-20 12:42:30,381 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 800) no Hoare annotation was computed. [2022-11-20 12:42:30,381 INFO L902 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: true [2022-11-20 12:42:30,381 INFO L899 garLoopResultBuilder]: For program point L861-1(line 861) no Hoare annotation was computed. [2022-11-20 12:42:30,381 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2022-11-20 12:42:30,381 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2022-11-20 12:42:30,381 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-20 12:42:30,381 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-20 12:42:30,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 805) no Hoare annotation was computed. [2022-11-20 12:42:30,382 INFO L902 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: true [2022-11-20 12:42:30,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,382 INFO L899 garLoopResultBuilder]: For program point L862-1(line 862) no Hoare annotation was computed. [2022-11-20 12:42:30,382 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,382 INFO L902 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: true [2022-11-20 12:42:30,382 INFO L899 garLoopResultBuilder]: For program point L854-1(line 854) no Hoare annotation was computed. [2022-11-20 12:42:30,387 INFO L899 garLoopResultBuilder]: For program point L846(line 846) no Hoare annotation was computed. [2022-11-20 12:42:30,387 INFO L902 garLoopResultBuilder]: At program point L871(line 871) the Hoare annotation is: true [2022-11-20 12:42:30,388 INFO L899 garLoopResultBuilder]: For program point L871-1(line 871) no Hoare annotation was computed. [2022-11-20 12:42:30,388 INFO L899 garLoopResultBuilder]: For program point L805-2(lines 805 808) no Hoare annotation was computed. [2022-11-20 12:42:30,388 INFO L899 garLoopResultBuilder]: For program point L805-3(line 805) no Hoare annotation was computed. [2022-11-20 12:42:30,389 INFO L899 garLoopResultBuilder]: For program point L805-4(line 805) no Hoare annotation was computed. [2022-11-20 12:42:30,389 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 805) no Hoare annotation was computed. [2022-11-20 12:42:30,389 INFO L895 garLoopResultBuilder]: At program point L805-5(lines 805 808) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~j~2#1| 0)) (.cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~i~0#1| 2)) (.cse2 (<= 1 |ULTIMATE.start_main_~j~2#1|))) (or (and .cse0 .cse1) (and .cse0 .cse2) (and .cse3 .cse4 .cse1) (and .cse3 .cse4 .cse2))) [2022-11-20 12:42:30,390 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2022-11-20 12:42:30,390 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2022-11-20 12:42:30,390 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 543) no Hoare annotation was computed. [2022-11-20 12:42:30,390 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 540 545) the Hoare annotation is: true [2022-11-20 12:42:30,391 INFO L902 garLoopResultBuilder]: At program point L855(line 855) the Hoare annotation is: true [2022-11-20 12:42:30,391 INFO L899 garLoopResultBuilder]: For program point L855-1(line 855) no Hoare annotation was computed. [2022-11-20 12:42:30,392 INFO L902 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: true [2022-11-20 12:42:30,392 INFO L902 garLoopResultBuilder]: At program point L839(line 839) the Hoare annotation is: true [2022-11-20 12:42:30,392 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-20 12:42:30,392 INFO L899 garLoopResultBuilder]: For program point L839-1(line 839) no Hoare annotation was computed. [2022-11-20 12:42:30,392 INFO L902 garLoopResultBuilder]: At program point L864(line 864) the Hoare annotation is: true [2022-11-20 12:42:30,393 INFO L899 garLoopResultBuilder]: For program point L864-1(line 864) no Hoare annotation was computed. [2022-11-20 12:42:30,393 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-11-20 12:42:30,393 INFO L902 garLoopResultBuilder]: At program point L856(line 856) the Hoare annotation is: true [2022-11-20 12:42:30,393 INFO L899 garLoopResultBuilder]: For program point L856-1(line 856) no Hoare annotation was computed. [2022-11-20 12:42:30,393 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 853) no Hoare annotation was computed. [2022-11-20 12:42:30,394 INFO L899 garLoopResultBuilder]: For program point L848-1(lines 848 853) no Hoare annotation was computed. [2022-11-20 12:42:30,394 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2022-11-20 12:42:30,394 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-11-20 12:42:30,394 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-20 12:42:30,394 INFO L902 garLoopResultBuilder]: At program point L865(line 865) the Hoare annotation is: true [2022-11-20 12:42:30,395 INFO L899 garLoopResultBuilder]: For program point L865-1(line 865) no Hoare annotation was computed. [2022-11-20 12:42:30,395 INFO L902 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: true [2022-11-20 12:42:30,395 INFO L899 garLoopResultBuilder]: For program point L857-1(line 857) no Hoare annotation was computed. [2022-11-20 12:42:30,395 INFO L899 garLoopResultBuilder]: For program point L791(lines 791 875) no Hoare annotation was computed. [2022-11-20 12:42:30,395 INFO L902 garLoopResultBuilder]: At program point L866(line 866) the Hoare annotation is: true [2022-11-20 12:42:30,396 INFO L899 garLoopResultBuilder]: For program point L866-1(line 866) no Hoare annotation was computed. [2022-11-20 12:42:30,396 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,396 INFO L899 garLoopResultBuilder]: For program point L800-2(lines 800 809) no Hoare annotation was computed. [2022-11-20 12:42:30,396 INFO L899 garLoopResultBuilder]: For program point L800-3(line 800) no Hoare annotation was computed. [2022-11-20 12:42:30,396 INFO L899 garLoopResultBuilder]: For program point L800-4(line 800) no Hoare annotation was computed. [2022-11-20 12:42:30,396 INFO L895 garLoopResultBuilder]: At program point L800-5(lines 800 809) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-20 12:42:30,397 INFO L899 garLoopResultBuilder]: For program point L800-6(lines 800 809) no Hoare annotation was computed. [2022-11-20 12:42:30,397 INFO L902 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2022-11-20 12:42:30,397 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-11-20 12:42:30,398 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 847) no Hoare annotation was computed. [2022-11-20 12:42:30,398 INFO L899 garLoopResultBuilder]: For program point L842-1(lines 842 847) no Hoare annotation was computed. [2022-11-20 12:42:30,398 INFO L902 garLoopResultBuilder]: At program point L867(line 867) the Hoare annotation is: true [2022-11-20 12:42:30,398 INFO L899 garLoopResultBuilder]: For program point L867-1(line 867) no Hoare annotation was computed. [2022-11-20 12:42:30,398 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:42:30,399 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2022-11-20 12:42:30,399 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2022-11-20 12:42:30,399 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2022-11-20 12:42:30,399 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2022-11-20 12:42:30,399 INFO L902 garLoopResultBuilder]: At program point L868(line 868) the Hoare annotation is: true [2022-11-20 12:42:30,399 INFO L899 garLoopResultBuilder]: For program point L868-1(line 868) no Hoare annotation was computed. [2022-11-20 12:42:30,400 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 800) no Hoare annotation was computed. [2022-11-20 12:42:30,400 INFO L902 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: true [2022-11-20 12:42:30,400 INFO L899 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2022-11-20 12:42:30,400 INFO L899 garLoopResultBuilder]: For program point L852(line 852) no Hoare annotation was computed. [2022-11-20 12:42:30,401 INFO L902 garLoopResultBuilder]: At program point L869(line 869) the Hoare annotation is: true [2022-11-20 12:42:30,402 INFO L899 garLoopResultBuilder]: For program point L836(lines 836 841) no Hoare annotation was computed. [2022-11-20 12:42:30,402 INFO L899 garLoopResultBuilder]: For program point L869-1(line 869) no Hoare annotation was computed. [2022-11-20 12:42:30,402 INFO L899 garLoopResultBuilder]: For program point L836-1(lines 836 841) no Hoare annotation was computed. [2022-11-20 12:42:30,403 INFO L899 garLoopResultBuilder]: For program point __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 12:42:30,403 INFO L899 garLoopResultBuilder]: For program point __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 565) no Hoare annotation was computed. [2022-11-20 12:42:30,403 INFO L899 garLoopResultBuilder]: For program point __CS_csEXIT(lines 562 568) no Hoare annotation was computed. [2022-11-20 12:42:30,403 INFO L899 garLoopResultBuilder]: For program point __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 12:42:30,403 INFO L899 garLoopResultBuilder]: For program point __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 566) no Hoare annotation was computed. [2022-11-20 12:42:30,404 INFO L902 garLoopResultBuilder]: At program point __CS_csENTRY(lines 562 568) the Hoare annotation is: true [2022-11-20 12:42:30,404 INFO L899 garLoopResultBuilder]: For program point __CS_csFINAL(lines 562 568) no Hoare annotation was computed. [2022-11-20 12:42:30,404 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-11-20 12:42:30,404 INFO L899 garLoopResultBuilder]: For program point L565(line 565) no Hoare annotation was computed. [2022-11-20 12:42:30,405 INFO L899 garLoopResultBuilder]: For program point L565-1(line 565) no Hoare annotation was computed. [2022-11-20 12:42:30,405 INFO L902 garLoopResultBuilder]: At program point L565-2(line 565) the Hoare annotation is: true [2022-11-20 12:42:30,405 INFO L899 garLoopResultBuilder]: For program point L565-3(line 565) no Hoare annotation was computed. [2022-11-20 12:42:30,408 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-11-20 12:42:30,411 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:42:30,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:42:30 BoogieIcfgContainer [2022-11-20 12:42:30,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:42:30,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:42:30,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:42:30,434 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:42:30,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:42:24" (3/4) ... [2022-11-20 12:42:30,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:42:30,445 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2022-11-20 12:42:30,445 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2022-11-20 12:42:30,445 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2022-11-20 12:42:30,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-20 12:42:30,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2022-11-20 12:42:30,465 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-20 12:42:30,466 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 12:42:30,467 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 12:42:30,467 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:42:30,601 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:42:30,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:42:30,602 INFO L158 Benchmark]: Toolchain (without parser) took 10410.64ms. Allocated memory was 132.1MB in the beginning and 209.7MB in the end (delta: 77.6MB). Free memory was 99.5MB in the beginning and 69.9MB in the end (delta: 29.6MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,603 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:42:30,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 783.05ms. Allocated memory is still 132.1MB. Free memory was 99.5MB in the beginning and 73.0MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.72ms. Allocated memory is still 132.1MB. Free memory was 73.0MB in the beginning and 68.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,604 INFO L158 Benchmark]: Boogie Preprocessor took 75.41ms. Allocated memory is still 132.1MB. Free memory was 68.9MB in the beginning and 65.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,604 INFO L158 Benchmark]: RCFGBuilder took 3473.50ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 65.2MB in the beginning and 114.3MB in the end (delta: -49.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,605 INFO L158 Benchmark]: TraceAbstraction took 5823.91ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 78.3MB in the end (delta: 34.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,605 INFO L158 Benchmark]: Witness Printer took 167.93ms. Allocated memory is still 209.7MB. Free memory was 78.3MB in the beginning and 69.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 12:42:30,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 783.05ms. Allocated memory is still 132.1MB. Free memory was 99.5MB in the beginning and 73.0MB in the end (delta: 26.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.72ms. Allocated memory is still 132.1MB. Free memory was 73.0MB in the beginning and 68.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.41ms. Allocated memory is still 132.1MB. Free memory was 68.9MB in the beginning and 65.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3473.50ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 65.2MB in the beginning and 114.3MB in the end (delta: -49.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5823.91ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 113.3MB in the beginning and 78.3MB in the end (delta: 34.9MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 167.93ms. Allocated memory is still 209.7MB. Free memory was 78.3MB in the beginning and 69.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 133 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 155 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 240 mSDtfsCounter, 155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 178 PreInvPairs, 242 NumberOfFragments, 84 HoareAnnotationTreeSize, 178 FomulaSimplifications, 43 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 463 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1660 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 212/266 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (((i == 0 && j == 0) || (i == 0 && 1 <= j)) || ((1 <= i && i <= 2) && j == 0)) || ((1 <= i && i <= 2) && 1 <= j) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:42:30,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbea375-c129-458b-b965-b674777ff665/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE