./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:10:01,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:10:01,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:10:01,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:10:01,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:10:01,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:10:01,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:10:01,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:10:01,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:10:01,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:10:01,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:10:01,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:10:01,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:10:01,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:10:01,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:10:01,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:10:01,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:10:01,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:10:01,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:10:01,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:10:01,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:10:01,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:10:01,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:10:01,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:10:01,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:10:01,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:10:01,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:10:01,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:10:01,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:10:01,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:10:01,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:10:01,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:10:01,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:10:01,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:10:01,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:10:01,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:10:01,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:10:01,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:10:01,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:10:01,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:10:01,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:10:01,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-25 17:10:01,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:10:01,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:10:01,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:10:01,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:10:01,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:10:01,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:10:01,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:10:01,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:10:01,375 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:10:01,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:10:01,376 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:10:01,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:10:01,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:10:01,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:10:01,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:10:01,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:10:01,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:10:01,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:10:01,378 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:10:01,383 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:10:01,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:10:01,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:10:01,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:10:01,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:10:01,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:10:01,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:10:01,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:10:01,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:10:01,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:10:01,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:10:01,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:10:01,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:10:01,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:10:01,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:10:01,389 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:10:01,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:10:01,390 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f08d75c904d21d6573220c7737d451cd978e8a22a153e855f8d685d88a1eb60 [2022-11-25 17:10:01,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:10:01,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:10:01,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:10:01,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:10:01,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:10:01,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-25 17:10:04,990 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:10:05,264 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:10:05,265 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2022-11-25 17:10:05,281 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/data/7f9580648/2c91e501e01847f5b888f7c75cb1d328/FLAGbca32a408 [2022-11-25 17:10:05,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/data/7f9580648/2c91e501e01847f5b888f7c75cb1d328 [2022-11-25 17:10:05,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:10:05,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:10:05,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:10:05,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:10:05,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:10:05,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:05" (1/1) ... [2022-11-25 17:10:05,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c12b7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:05, skipping insertion in model container [2022-11-25 17:10:05,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:10:05" (1/1) ... [2022-11-25 17:10:05,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:10:05,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:10:05,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:10:05,973 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:10:06,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:10:06,111 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:10:06,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06 WrapperNode [2022-11-25 17:10:06,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:10:06,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:10:06,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:10:06,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:10:06,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,198 INFO L138 Inliner]: procedures = 174, calls = 145, calls flagged for inlining = 33, calls inlined = 20, statements flattened = 320 [2022-11-25 17:10:06,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:10:06,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:10:06,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:10:06,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:10:06,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:10:06,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:10:06,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:10:06,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:10:06,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (1/1) ... [2022-11-25 17:10:06,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:10:06,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:06,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:10:06,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:10:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:10:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 17:10:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 17:10:06,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:10:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 17:10:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 17:10:06,385 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2022-11-25 17:10:06,385 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2022-11-25 17:10:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2022-11-25 17:10:06,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2022-11-25 17:10:06,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 17:10:06,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 17:10:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:10:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:10:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:10:06,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2022-11-25 17:10:06,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2022-11-25 17:10:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:10:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:10:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:10:06,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:10:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:10:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:10:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 17:10:06,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:10:06,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:10:06,666 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:10:06,669 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:10:07,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:10:07,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:10:07,403 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:10:07,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:07 BoogieIcfgContainer [2022-11-25 17:10:07,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:10:07,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:10:07,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:10:07,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:10:07,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:10:05" (1/3) ... [2022-11-25 17:10:07,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7b62c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:07, skipping insertion in model container [2022-11-25 17:10:07,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:10:06" (2/3) ... [2022-11-25 17:10:07,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7b62c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:10:07, skipping insertion in model container [2022-11-25 17:10:07,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:07" (3/3) ... [2022-11-25 17:10:07,415 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test12-2.i [2022-11-25 17:10:07,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:10:07,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:10:07,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:10:07,492 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;@7199a661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:10:07,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:10:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 89 states have internal predecessors, (114), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-25 17:10:07,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-25 17:10:07,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:07,512 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:07,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:07,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1953410613, now seen corresponding path program 1 times [2022-11-25 17:10:07,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:07,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777973828] [2022-11-25 17:10:07,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:07,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-25 17:10:08,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:08,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777973828] [2022-11-25 17:10:08,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777973828] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:08,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180277351] [2022-11-25 17:10:08,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:08,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:08,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:08,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:08,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:10:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:08,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:10:08,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-25 17:10:08,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:08,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180277351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:08,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:08,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-25 17:10:08,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305217321] [2022-11-25 17:10:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:08,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:10:08,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:09,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:10:09,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:09,018 INFO L87 Difference]: Start difference. First operand has 108 states, 85 states have (on average 1.3411764705882352) internal successors, (114), 89 states have internal predecessors, (114), 15 states have call successors, (15), 5 states have call predecessors, (15), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-25 17:10:09,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:09,188 INFO L93 Difference]: Finished difference Result 293 states and 383 transitions. [2022-11-25 17:10:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:10:09,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 75 [2022-11-25 17:10:09,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:09,208 INFO L225 Difference]: With dead ends: 293 [2022-11-25 17:10:09,208 INFO L226 Difference]: Without dead ends: 76 [2022-11-25 17:10:09,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:10:09,223 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 108 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:09,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 526 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:10:09,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-25 17:10:09,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 62. [2022-11-25 17:10:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 17:10:09,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 75 transitions. [2022-11-25 17:10:09,308 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 75 transitions. Word has length 75 [2022-11-25 17:10:09,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:09,310 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 75 transitions. [2022-11-25 17:10:09,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-25 17:10:09,311 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2022-11-25 17:10:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-25 17:10:09,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:09,321 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:09,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:10:09,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 17:10:09,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:09,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:09,536 INFO L85 PathProgramCache]: Analyzing trace with hash -544805382, now seen corresponding path program 1 times [2022-11-25 17:10:09,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:09,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857623272] [2022-11-25 17:10:09,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:09,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:09,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:10:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-25 17:10:10,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:10,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857623272] [2022-11-25 17:10:10,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857623272] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:10,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596727689] [2022-11-25 17:10:10,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:10,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:10,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:10,007 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:10,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:10:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:10:10,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-25 17:10:10,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:10,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596727689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:10,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:10,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-11-25 17:10:10,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996786269] [2022-11-25 17:10:10,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:10,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:10:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:10:10,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:10,347 INFO L87 Difference]: Start difference. First operand 62 states and 75 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 17:10:10,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:10,381 INFO L93 Difference]: Finished difference Result 104 states and 123 transitions. [2022-11-25 17:10:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:10:10,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2022-11-25 17:10:10,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:10,383 INFO L225 Difference]: With dead ends: 104 [2022-11-25 17:10:10,383 INFO L226 Difference]: Without dead ends: 62 [2022-11-25 17:10:10,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:10:10,385 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:10,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 215 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:10:10,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-25 17:10:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-25 17:10:10,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 46 states have internal predecessors, (50), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 17:10:10,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 74 transitions. [2022-11-25 17:10:10,393 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 74 transitions. Word has length 82 [2022-11-25 17:10:10,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:10,394 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 74 transitions. [2022-11-25 17:10:10,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-25 17:10:10,394 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 74 transitions. [2022-11-25 17:10:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 17:10:10,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:10,396 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:10,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-25 17:10:10,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-25 17:10:10,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:10,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:10,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1570100034, now seen corresponding path program 1 times [2022-11-25 17:10:10,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:10,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511294028] [2022-11-25 17:10:10,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:10,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:10:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:10:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-25 17:10:10,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:10,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511294028] [2022-11-25 17:10:10,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511294028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:10,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016230327] [2022-11-25 17:10:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:10,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:10,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:10,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:10:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:10:11,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:11,385 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-25 17:10:11,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:11,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016230327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:11,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:11,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-25 17:10:11,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428044650] [2022-11-25 17:10:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:11,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:10:11,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:11,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:10:11,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:11,391 INFO L87 Difference]: Start difference. First operand 62 states and 74 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:11,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:11,425 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2022-11-25 17:10:11,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:10:11,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 88 [2022-11-25 17:10:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:11,433 INFO L225 Difference]: With dead ends: 62 [2022-11-25 17:10:11,433 INFO L226 Difference]: Without dead ends: 61 [2022-11-25 17:10:11,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:10:11,442 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 6 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 180 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 [2022-11-25 17:10:11,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 180 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:10:11,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-25 17:10:11,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-25 17:10:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 17:10:11,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2022-11-25 17:10:11,461 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 88 [2022-11-25 17:10:11,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:11,462 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2022-11-25 17:10:11,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-11-25 17:10:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 17:10:11,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:11,467 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:11,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:10:11,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:11,674 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1428460628, now seen corresponding path program 1 times [2022-11-25 17:10:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:11,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99971417] [2022-11-25 17:10:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:11,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:10:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:10:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-11-25 17:10:12,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:12,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99971417] [2022-11-25 17:10:12,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99971417] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:12,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21420232] [2022-11-25 17:10:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:12,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:12,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:12,033 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:12,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:10:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:12,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:10:12,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-11-25 17:10:12,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:12,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21420232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:12,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:12,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-11-25 17:10:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22619294] [2022-11-25 17:10:12,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:12,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:10:12,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:10:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-25 17:10:12,509 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:12,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:12,552 INFO L93 Difference]: Finished difference Result 85 states and 103 transitions. [2022-11-25 17:10:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:10:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2022-11-25 17:10:12,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:12,554 INFO L225 Difference]: With dead ends: 85 [2022-11-25 17:10:12,554 INFO L226 Difference]: Without dead ends: 84 [2022-11-25 17:10:12,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:10:12,556 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 3 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:12,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 212 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:10:12,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-25 17:10:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-25 17:10:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.096774193548387) internal successors, (68), 64 states have internal predecessors, (68), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-25 17:10:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 102 transitions. [2022-11-25 17:10:12,567 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 102 transitions. Word has length 89 [2022-11-25 17:10:12,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:12,567 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 102 transitions. [2022-11-25 17:10:12,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 17:10:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2022-11-25 17:10:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-25 17:10:12,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:12,570 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:12,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-25 17:10:12,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:12,777 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:12,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:12,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2111383732, now seen corresponding path program 1 times [2022-11-25 17:10:12,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:12,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62751986] [2022-11-25 17:10:12,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:12,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:10:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:10:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:10:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:10:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:10:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:10:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 17:10:13,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:13,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62751986] [2022-11-25 17:10:13,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62751986] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:13,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461869241] [2022-11-25 17:10:13,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:13,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:13,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:13,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:13,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:10:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:13,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 1134 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 17:10:13,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 17:10:13,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:10:13,916 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-25 17:10:13,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461869241] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:10:13,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:10:13,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 15 [2022-11-25 17:10:13,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068458915] [2022-11-25 17:10:13,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:10:13,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-25 17:10:13,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:13,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-25 17:10:13,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-25 17:10:13,920 INFO L87 Difference]: Start difference. First operand 84 states and 102 transitions. Second operand has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-25 17:10:15,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:15,224 INFO L93 Difference]: Finished difference Result 326 states and 433 transitions. [2022-11-25 17:10:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-25 17:10:15,225 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2022-11-25 17:10:15,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:15,230 INFO L225 Difference]: With dead ends: 326 [2022-11-25 17:10:15,230 INFO L226 Difference]: Without dead ends: 269 [2022-11-25 17:10:15,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=861, Unknown=0, NotChecked=0, Total=1056 [2022-11-25 17:10:15,232 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 146 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:15,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 462 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 17:10:15,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2022-11-25 17:10:15,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 165. [2022-11-25 17:10:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 127 states have (on average 1.0708661417322836) internal successors, (136), 128 states have internal predecessors, (136), 32 states have call successors, (32), 4 states have call predecessors, (32), 5 states have return successors, (48), 37 states have call predecessors, (48), 32 states have call successors, (48) [2022-11-25 17:10:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2022-11-25 17:10:15,265 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 127 [2022-11-25 17:10:15,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:15,265 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2022-11-25 17:10:15,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.333333333333334) internal successors, (125), 12 states have internal predecessors, (125), 6 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (28), 7 states have call predecessors, (28), 6 states have call successors, (28) [2022-11-25 17:10:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2022-11-25 17:10:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-25 17:10:15,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:10:15,270 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:10:15,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:10:15,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:15,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:10:15,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:10:15,480 INFO L85 PathProgramCache]: Analyzing trace with hash 912597777, now seen corresponding path program 1 times [2022-11-25 17:10:15,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:10:15,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576906949] [2022-11-25 17:10:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:10:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:10:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:10:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:10:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:10:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:10:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:10:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-25 17:10:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-25 17:10:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-25 17:10:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-25 17:10:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-25 17:10:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-25 17:10:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-25 17:10:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-25 17:10:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:10:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-25 17:10:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-25 17:10:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-25 17:10:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-25 17:10:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-25 17:10:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-25 17:10:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-25 17:10:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-25 17:10:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-25 17:10:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-25 17:10:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-25 17:10:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-25 17:10:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 40 proven. 18 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2022-11-25 17:10:16,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:10:16,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576906949] [2022-11-25 17:10:16,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576906949] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:10:16,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119585151] [2022-11-25 17:10:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:10:16,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:10:16,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:10:16,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:10:16,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:10:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:10:17,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 2002 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 17:10:17,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:10:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2022-11-25 17:10:17,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:10:17,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119585151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:10:17,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:10:17,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-25 17:10:17,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42753767] [2022-11-25 17:10:17,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:10:17,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:10:17,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:10:17,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:10:17,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-25 17:10:17,692 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-25 17:10:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:10:17,827 INFO L93 Difference]: Finished difference Result 182 states and 231 transitions. [2022-11-25 17:10:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:10:17,828 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 241 [2022-11-25 17:10:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:10:17,829 INFO L225 Difference]: With dead ends: 182 [2022-11-25 17:10:17,829 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:10:17,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:10:17,832 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:10:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 383 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:10:17,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:10:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:10:17,836 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) [2022-11-25 17:10:17,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:10:17,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2022-11-25 17:10:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:10:17,837 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:10:17,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2022-11-25 17:10:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:10:17,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:10:17,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:10:17,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:10:17,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:10:18,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 17:10:18,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:10:18,564 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-25 17:10:18,564 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-25 17:10:18,564 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,565 INFO L895 garLoopResultBuilder]: At program point #Ultimate.C_memcpyENTRY(line -1) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-25 17:10:18,565 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memcpyEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,565 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 595) no Hoare annotation was computed. [2022-11-25 17:10:18,565 INFO L899 garLoopResultBuilder]: For program point L592-2(lines 591 596) no Hoare annotation was computed. [2022-11-25 17:10:18,565 INFO L899 garLoopResultBuilder]: For program point ldv_msg_freeEXIT(lines 591 596) no Hoare annotation was computed. [2022-11-25 17:10:18,565 INFO L902 garLoopResultBuilder]: At program point ldv_msg_freeENTRY(lines 591 596) the Hoare annotation is: true [2022-11-25 17:10:18,566 INFO L895 garLoopResultBuilder]: At program point LDV_INIT_LIST_HEADENTRY(lines 538 542) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-25 17:10:18,566 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADFINAL(lines 538 542) no Hoare annotation was computed. [2022-11-25 17:10:18,566 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2022-11-25 17:10:18,566 INFO L895 garLoopResultBuilder]: At program point __ldv_list_addENTRY(lines 543 551) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2022-11-25 17:10:18,566 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addFINAL(lines 543 551) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point __ldv_list_addEXIT(lines 543 551) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L895 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 913) no Hoare annotation was computed. [2022-11-25 17:10:18,567 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-25 17:10:18,568 INFO L895 garLoopResultBuilder]: At program point L581(lines 574 582) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,568 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 897) no Hoare annotation was computed. [2022-11-25 17:10:18,568 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,568 INFO L899 garLoopResultBuilder]: For program point L895-2(lines 895 897) no Hoare annotation was computed. [2022-11-25 17:10:18,568 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2022-11-25 17:10:18,568 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 568) no Hoare annotation was computed. [2022-11-25 17:10:18,569 INFO L902 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: true [2022-11-25 17:10:18,569 INFO L899 garLoopResultBuilder]: For program point L846-1(line 846) no Hoare annotation was computed. [2022-11-25 17:10:18,569 INFO L895 garLoopResultBuilder]: At program point L797-2(lines 797 805) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and .cse0 (< |ULTIMATE.start_master_xfer_~i~0#1| 2147483646) (<= 2 |ULTIMATE.start_master_xfer_~i~0#1|)) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,569 INFO L899 garLoopResultBuilder]: For program point L797-3(lines 797 805) no Hoare annotation was computed. [2022-11-25 17:10:18,569 INFO L902 garLoopResultBuilder]: At program point L880(line 880) the Hoare annotation is: true [2022-11-25 17:10:18,570 INFO L899 garLoopResultBuilder]: For program point L880-1(line 880) no Hoare annotation was computed. [2022-11-25 17:10:18,570 INFO L899 garLoopResultBuilder]: For program point L847(line 847) no Hoare annotation was computed. [2022-11-25 17:10:18,570 INFO L902 garLoopResultBuilder]: At program point L814(lines 813 815) the Hoare annotation is: true [2022-11-25 17:10:18,570 INFO L899 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2022-11-25 17:10:18,570 INFO L902 garLoopResultBuilder]: At program point L848(line 848) the Hoare annotation is: true [2022-11-25 17:10:18,571 INFO L899 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2022-11-25 17:10:18,571 INFO L902 garLoopResultBuilder]: At program point L865(lines 841 866) the Hoare annotation is: true [2022-11-25 17:10:18,571 INFO L899 garLoopResultBuilder]: For program point L799(line 799) no Hoare annotation was computed. [2022-11-25 17:10:18,571 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,572 INFO L899 garLoopResultBuilder]: For program point L585-1(line 585) no Hoare annotation was computed. [2022-11-25 17:10:18,572 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 556) no Hoare annotation was computed. [2022-11-25 17:10:18,572 INFO L902 garLoopResultBuilder]: At program point L899(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,572 INFO L899 garLoopResultBuilder]: For program point L833(lines 833 838) no Hoare annotation was computed. [2022-11-25 17:10:18,572 INFO L899 garLoopResultBuilder]: For program point L833-2(lines 833 838) no Hoare annotation was computed. [2022-11-25 17:10:18,573 INFO L895 garLoopResultBuilder]: At program point L602(lines 597 603) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (<= (+ |ULTIMATE.start_ldv_submit_msg_#res#1| 1) 0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,573 INFO L902 garLoopResultBuilder]: At program point L619(lines 617 620) the Hoare annotation is: true [2022-11-25 17:10:18,573 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-11-25 17:10:18,573 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 875) no Hoare annotation was computed. [2022-11-25 17:10:18,573 INFO L902 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: true [2022-11-25 17:10:18,574 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2022-11-25 17:10:18,574 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2022-11-25 17:10:18,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,574 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2022-11-25 17:10:18,574 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2022-11-25 17:10:18,575 INFO L899 garLoopResultBuilder]: For program point L851(line 851) no Hoare annotation was computed. [2022-11-25 17:10:18,575 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,575 INFO L899 garLoopResultBuilder]: For program point L587-1(line 587) no Hoare annotation was computed. [2022-11-25 17:10:18,575 INFO L902 garLoopResultBuilder]: At program point L901(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,576 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 611) no Hoare annotation was computed. [2022-11-25 17:10:18,576 INFO L899 garLoopResultBuilder]: For program point L885(line 885) no Hoare annotation was computed. [2022-11-25 17:10:18,576 INFO L902 garLoopResultBuilder]: At program point L852(lines 852 859) the Hoare annotation is: true [2022-11-25 17:10:18,576 INFO L899 garLoopResultBuilder]: For program point L621(lines 621 624) no Hoare annotation was computed. [2022-11-25 17:10:18,576 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2022-11-25 17:10:18,577 INFO L902 garLoopResultBuilder]: At program point L803-1(lines 793 812) the Hoare annotation is: true [2022-11-25 17:10:18,577 INFO L899 garLoopResultBuilder]: For program point L853(line 853) no Hoare annotation was computed. [2022-11-25 17:10:18,577 INFO L899 garLoopResultBuilder]: For program point L853-2(line 853) no Hoare annotation was computed. [2022-11-25 17:10:18,577 INFO L895 garLoopResultBuilder]: At program point L589(lines 583 590) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (<= 3 |ULTIMATE.start_ldv_msg_fill_#res#1|))) [2022-11-25 17:10:18,577 INFO L902 garLoopResultBuilder]: At program point L903(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,578 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2022-11-25 17:10:18,578 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-25 17:10:18,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 804) no Hoare annotation was computed. [2022-11-25 17:10:18,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,579 INFO L902 garLoopResultBuilder]: At program point L887(line 887) the Hoare annotation is: true [2022-11-25 17:10:18,579 INFO L899 garLoopResultBuilder]: For program point L887-1(line 887) no Hoare annotation was computed. [2022-11-25 17:10:18,579 INFO L899 garLoopResultBuilder]: For program point L854(line 854) no Hoare annotation was computed. [2022-11-25 17:10:18,579 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 560) no Hoare annotation was computed. [2022-11-25 17:10:18,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 804) no Hoare annotation was computed. [2022-11-25 17:10:18,580 INFO L902 garLoopResultBuilder]: At program point L607-2(lines 607 610) the Hoare annotation is: true [2022-11-25 17:10:18,580 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2022-11-25 17:10:18,580 INFO L902 garLoopResultBuilder]: At program point L905(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,580 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 874) no Hoare annotation was computed. [2022-11-25 17:10:18,580 INFO L902 garLoopResultBuilder]: At program point L839(lines 816 840) the Hoare annotation is: true [2022-11-25 17:10:18,581 INFO L899 garLoopResultBuilder]: For program point L856(line 856) no Hoare annotation was computed. [2022-11-25 17:10:18,581 INFO L895 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,581 INFO L899 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2022-11-25 17:10:18,581 INFO L902 garLoopResultBuilder]: At program point L774(lines 772 775) the Hoare annotation is: true [2022-11-25 17:10:18,581 INFO L902 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: true [2022-11-25 17:10:18,582 INFO L895 garLoopResultBuilder]: At program point L576(line 576) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,582 INFO L899 garLoopResultBuilder]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2022-11-25 17:10:18,582 INFO L899 garLoopResultBuilder]: For program point L576-1(line 576) no Hoare annotation was computed. [2022-11-25 17:10:18,582 INFO L902 garLoopResultBuilder]: At program point L907(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,583 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 580) no Hoare annotation was computed. [2022-11-25 17:10:18,583 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 577 580) no Hoare annotation was computed. [2022-11-25 17:10:18,583 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:10:18,583 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-25 17:10:18,583 INFO L902 garLoopResultBuilder]: At program point L891(line 891) the Hoare annotation is: true [2022-11-25 17:10:18,583 INFO L899 garLoopResultBuilder]: For program point L891-1(line 891) no Hoare annotation was computed. [2022-11-25 17:10:18,584 INFO L902 garLoopResultBuilder]: At program point L858(lines 841 866) the Hoare annotation is: true [2022-11-25 17:10:18,584 INFO L902 garLoopResultBuilder]: At program point L809(lines 793 812) the Hoare annotation is: true [2022-11-25 17:10:18,584 INFO L899 garLoopResultBuilder]: For program point L776(lines 776 779) no Hoare annotation was computed. [2022-11-25 17:10:18,584 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2022-11-25 17:10:18,585 INFO L902 garLoopResultBuilder]: At program point L909(lines 876 910) the Hoare annotation is: true [2022-11-25 17:10:18,585 INFO L895 garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_master_xfer_~num#1| 2))) (or (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 0) (<= 0 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0) (and (<= |ULTIMATE.start_master_xfer_~i~0#1| 1) (<= 1 |ULTIMATE.start_master_xfer_~i~0#1|) .cse0))) [2022-11-25 17:10:18,585 INFO L902 garLoopResultBuilder]: At program point L877(line 877) the Hoare annotation is: true [2022-11-25 17:10:18,585 INFO L899 garLoopResultBuilder]: For program point L877-1(line 877) no Hoare annotation was computed. [2022-11-25 17:10:18,585 INFO L902 garLoopResultBuilder]: At program point L811(lines 793 812) the Hoare annotation is: true [2022-11-25 17:10:18,589 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 17:10:18,592 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:10:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:10:18 BoogieIcfgContainer [2022-11-25 17:10:18,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:10:18,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:10:18,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:10:18,609 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:10:18,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:10:07" (3/4) ... [2022-11-25 17:10:18,614 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:10:18,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-25 17:10:18,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2022-11-25 17:10:18,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_msg_free [2022-11-25 17:10:18,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2022-11-25 17:10:18,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ldv_list_add [2022-11-25 17:10:18,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2022-11-25 17:10:18,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-25 17:10:18,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 17:10:18,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:10:18,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2)) || 3 <= \result [2022-11-25 17:10:18,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result + 1 <= 0 || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) [2022-11-25 17:10:18,701 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:10:18,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:10:18,702 INFO L158 Benchmark]: Toolchain (without parser) took 13399.22ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 97.6MB in the beginning and 212.0MB in the end (delta: -114.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,703 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:10:18,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 801.42ms. Allocated memory is still 140.5MB. Free memory was 97.3MB in the beginning and 73.1MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.87ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 69.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,704 INFO L158 Benchmark]: Boogie Preprocessor took 53.60ms. Allocated memory is still 140.5MB. Free memory was 69.7MB in the beginning and 66.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,704 INFO L158 Benchmark]: RCFGBuilder took 1151.77ms. Allocated memory is still 140.5MB. Free memory was 66.2MB in the beginning and 85.5MB in the end (delta: -19.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,705 INFO L158 Benchmark]: TraceAbstraction took 11199.03ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 84.9MB in the beginning and 219.4MB in the end (delta: -134.5MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,705 INFO L158 Benchmark]: Witness Printer took 93.22ms. Allocated memory is still 262.1MB. Free memory was 219.4MB in the beginning and 212.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:10:18,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 801.42ms. Allocated memory is still 140.5MB. Free memory was 97.3MB in the beginning and 73.1MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.87ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 69.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.60ms. Allocated memory is still 140.5MB. Free memory was 69.7MB in the beginning and 66.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.77ms. Allocated memory is still 140.5MB. Free memory was 66.2MB in the beginning and 85.5MB in the end (delta: -19.3MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11199.03ms. Allocated memory was 140.5MB in the beginning and 262.1MB in the end (delta: 121.6MB). Free memory was 84.9MB in the beginning and 219.4MB in the end (delta: -134.5MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. * Witness Printer took 93.22ms. Allocated memory is still 262.1MB. Free memory was 219.4MB in the beginning and 212.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 804]: 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, 108 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 290 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 270 mSDsluCounter, 1978 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1341 mSDsCounter, 113 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 940 IncrementalHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 113 mSolverCounterUnsat, 637 mSDtfsCounter, 940 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1045 GetRequests, 968 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=5, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 118 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 125 PreInvPairs, 206 NumberOfFragments, 274 HoareAnnotationTreeSize, 125 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1404 NumberOfCodeBlocks, 1404 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1518 ConstructedInterpolants, 0 QuantifiedInterpolants, 2749 SizeOfPredicates, 15 NumberOfNonLiveVariables, 6186 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 3120/3196 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 2 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (\result + 1 <= 0 || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2)) || 3 <= \result - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 797]: Loop Invariant Derived loop invariant: (((num <= 2 && i < 2147483646) && 2 <= i) || ((i <= 0 && 0 <= i) && num <= 2)) || ((i <= 1 && 1 <= i) && num <= 2) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: ((i <= 0 && 0 <= i) && num <= 2) || ((i <= 1 && 1 <= i) && num <= 2) RESULT: Ultimate proved your program to be correct! [2022-11-25 17:10:18,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccd82f1-f730-458b-a05f-0f81d3ac59ec/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE