./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc --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 9047d35108a9c07c04b519cba211a741bb80887623b2a85c45105c17ca835121 --- 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-5e519f3 [2022-11-02 20:59:06,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:59:06,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:59:06,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:59:06,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:59:06,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:59:06,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:59:06,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:59:06,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:59:06,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:59:06,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:59:06,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:59:06,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:59:06,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:59:06,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:59:06,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:59:06,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:59:06,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:59:06,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:59:06,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:59:06,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:59:06,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:59:06,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:59:06,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:59:06,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:59:06,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:59:06,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:59:06,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:59:06,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:59:06,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:59:06,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:59:06,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:59:06,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:59:06,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:59:06,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:59:06,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:59:06,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:59:06,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:59:06,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:59:06,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:59:06,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:59:06,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:59:06,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:59:06,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:59:06,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:59:06,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:59:06,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:59:06,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:59:06,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:59:06,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:59:06,223 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:59:06,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:59:06,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:59:06,223 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:59:06,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:59:06,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:59:06,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:59:06,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:59:06,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:59:06,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:59:06,225 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:59:06,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:59:06,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:59:06,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:59:06,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:59:06,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:59:06,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:59:06,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:59:06,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:06,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:59:06,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:59:06,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:59:06,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:59:06,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:59:06,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:59:06,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9047d35108a9c07c04b519cba211a741bb80887623b2a85c45105c17ca835121 [2022-11-02 20:59:06,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:59:06,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:59:06,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:59:06,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:59:06,590 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:59:06,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i [2022-11-02 20:59:06,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/data/6e29e2c56/d72876c60eaf4f199dad06a4e4291e00/FLAGb29c52fe6 [2022-11-02 20:59:07,298 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:59:07,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i [2022-11-02 20:59:07,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/data/6e29e2c56/d72876c60eaf4f199dad06a4e4291e00/FLAGb29c52fe6 [2022-11-02 20:59:07,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/data/6e29e2c56/d72876c60eaf4f199dad06a4e4291e00 [2022-11-02 20:59:07,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:59:07,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:59:07,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:07,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:59:07,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:59:07,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:07" (1/1) ... [2022-11-02 20:59:07,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e56d530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:07, skipping insertion in model container [2022-11-02 20:59:07,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:59:07" (1/1) ... [2022-11-02 20:59:07,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:59:07,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:59:07,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i[949,962] [2022-11-02 20:59:08,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:08,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:59:08,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/sv-benchmarks/c/pthread-wmm/safe009_rmo.opt.i[949,962] [2022-11-02 20:59:08,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:59:08,320 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:59:08,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08 WrapperNode [2022-11-02 20:59:08,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:59:08,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:08,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:59:08,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:59:08,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,381 INFO L138 Inliner]: procedures = 176, calls = 69, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 151 [2022-11-02 20:59:08,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:59:08,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:59:08,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:59:08,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:59:08,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,442 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:59:08,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:59:08,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:59:08,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:59:08,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (1/1) ... [2022-11-02 20:59:08,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:59:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:59:08,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:59:08,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:59:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:59:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:59:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:59:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:59:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:59:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:59:08,549 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:59:08,549 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:59:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:59:08,550 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 20:59:08,550 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 20:59:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:59:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:59:08,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:59:08,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:59:08,553 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:59:08,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:59:08,814 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:59:09,633 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:59:10,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:59:10,176 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:59:10,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:10 BoogieIcfgContainer [2022-11-02 20:59:10,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:59:10,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:59:10,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:59:10,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:59:10,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:59:07" (1/3) ... [2022-11-02 20:59:10,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28eefdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:10, skipping insertion in model container [2022-11-02 20:59:10,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:59:08" (2/3) ... [2022-11-02 20:59:10,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28eefdde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:59:10, skipping insertion in model container [2022-11-02 20:59:10,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:10" (3/3) ... [2022-11-02 20:59:10,192 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_rmo.opt.i [2022-11-02 20:59:10,202 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:59:10,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:59:10,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 20:59:10,214 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:59:10,322 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:59:10,379 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:59:10,397 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 136 transitions, 287 flow [2022-11-02 20:59:10,402 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 136 transitions, 287 flow [2022-11-02 20:59:10,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 136 transitions, 287 flow [2022-11-02 20:59:10,492 INFO L130 PetriNetUnfolder]: 2/133 cut-off events. [2022-11-02 20:59:10,492 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:59:10,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 133 events. 2/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2022-11-02 20:59:10,500 INFO L118 LiptonReduction]: Number of co-enabled transitions 2492 [2022-11-02 21:00:05,744 INFO L133 LiptonReduction]: Checked pairs total: 8169 [2022-11-02 21:00:05,744 INFO L135 LiptonReduction]: Total number of compositions: 119 [2022-11-02 21:00:05,753 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-02 21:00:05,874 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1286 states, 1260 states have (on average 3.5317460317460316) internal successors, (4450), 1285 states have internal predecessors, (4450), 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) [2022-11-02 21:00:05,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:00:05,902 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1fcc8ec3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:00:05,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-02 21:00:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 1286 states, 1260 states have (on average 3.5317460317460316) internal successors, (4450), 1285 states have internal predecessors, (4450), 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) [2022-11-02 21:00:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-02 21:00:05,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:05,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-02 21:00:05,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:00:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1176848672, now seen corresponding path program 1 times [2022-11-02 21:00:05,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:05,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461770416] [2022-11-02 21:00:05,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:05,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:06,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:06,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461770416] [2022-11-02 21:00:06,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461770416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:06,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:06,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:00:06,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706991982] [2022-11-02 21:00:06,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:06,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:06,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:06,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:06,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:06,371 INFO L87 Difference]: Start difference. First operand has 1286 states, 1260 states have (on average 3.5317460317460316) internal successors, (4450), 1285 states have internal predecessors, (4450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:06,501 INFO L93 Difference]: Finished difference Result 802 states and 2517 transitions. [2022-11-02 21:00:06,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:06,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-02 21:00:06,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:06,536 INFO L225 Difference]: With dead ends: 802 [2022-11-02 21:00:06,536 INFO L226 Difference]: Without dead ends: 802 [2022-11-02 21:00:06,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:06,542 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 16 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:06,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:00:06,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-11-02 21:00:06,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2022-11-02 21:00:06,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 795 states have (on average 3.1660377358490566) internal successors, (2517), 801 states have internal predecessors, (2517), 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) [2022-11-02 21:00:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 2517 transitions. [2022-11-02 21:00:06,653 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 2517 transitions. Word has length 5 [2022-11-02 21:00:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:06,654 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 2517 transitions. [2022-11-02 21:00:06,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2517 transitions. [2022-11-02 21:00:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-02 21:00:06,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:06,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:00:06,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:00:06,657 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:00:06,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:06,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2122569481, now seen corresponding path program 1 times [2022-11-02 21:00:06,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:06,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747112891] [2022-11-02 21:00:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:06,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:06,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:06,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747112891] [2022-11-02 21:00:06,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747112891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:06,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:06,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 21:00:06,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373214203] [2022-11-02 21:00:06,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:06,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:00:06,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:06,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:00:06,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:06,828 INFO L87 Difference]: Start difference. First operand 802 states and 2517 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:06,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:06,937 INFO L93 Difference]: Finished difference Result 574 states and 1679 transitions. [2022-11-02 21:00:06,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:00:06,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-02 21:00:06,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:06,948 INFO L225 Difference]: With dead ends: 574 [2022-11-02 21:00:06,948 INFO L226 Difference]: Without dead ends: 574 [2022-11-02 21:00:06,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:00:06,952 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:06,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:00:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-11-02 21:00:06,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2022-11-02 21:00:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 568 states have (on average 2.9559859154929575) internal successors, (1679), 573 states have internal predecessors, (1679), 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) [2022-11-02 21:00:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 1679 transitions. [2022-11-02 21:00:06,990 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 1679 transitions. Word has length 6 [2022-11-02 21:00:06,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:06,991 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 1679 transitions. [2022-11-02 21:00:06,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1679 transitions. [2022-11-02 21:00:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-02 21:00:06,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:06,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:06,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:00:06,996 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:00:06,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:06,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2077819108, now seen corresponding path program 1 times [2022-11-02 21:00:06,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:07,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174438240] [2022-11-02 21:00:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:07,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:07,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:07,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:07,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174438240] [2022-11-02 21:00:07,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174438240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:07,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:07,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:00:07,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087833998] [2022-11-02 21:00:07,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:07,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:00:07,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:07,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:00:07,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:07,191 INFO L87 Difference]: Start difference. First operand 574 states and 1679 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-02 21:00:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:07,313 INFO L93 Difference]: Finished difference Result 470 states and 1396 transitions. [2022-11-02 21:00:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:00:07,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-02 21:00:07,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:07,317 INFO L225 Difference]: With dead ends: 470 [2022-11-02 21:00:07,317 INFO L226 Difference]: Without dead ends: 470 [2022-11-02 21:00:07,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:00:07,318 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 33 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:07,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 9 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:00:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-11-02 21:00:07,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2022-11-02 21:00:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 467 states have (on average 2.9892933618843682) internal successors, (1396), 469 states have internal predecessors, (1396), 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) [2022-11-02 21:00:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1396 transitions. [2022-11-02 21:00:07,336 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1396 transitions. Word has length 12 [2022-11-02 21:00:07,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:07,337 INFO L495 AbstractCegarLoop]: Abstraction has 470 states and 1396 transitions. [2022-11-02 21:00:07,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-02 21:00:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1396 transitions. [2022-11-02 21:00:07,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 21:00:07,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:07,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:07,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:00:07,341 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 21:00:07,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:07,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1829748019, now seen corresponding path program 1 times [2022-11-02 21:00:07,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:07,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596922938] [2022-11-02 21:00:07,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:07,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:00:07,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:07,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596922938] [2022-11-02 21:00:07,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596922938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:07,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:07,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:00:07,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231575659] [2022-11-02 21:00:07,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:07,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:00:07,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:00:07,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:07,537 INFO L87 Difference]: Start difference. First operand 470 states and 1396 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-02 21:00:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:07,656 INFO L93 Difference]: Finished difference Result 458 states and 1375 transitions. [2022-11-02 21:00:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:00:07,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-02 21:00:07,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:07,657 INFO L225 Difference]: With dead ends: 458 [2022-11-02 21:00:07,658 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:00:07,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:07,659 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 53 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:07,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 6 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:00:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:00:07,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:00:07,660 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) [2022-11-02 21:00:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:00:07,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-02 21:00:07,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:07,661 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:00:07,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2022-11-02 21:00:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:00:07,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:00:07,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-02 21:00:07,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-02 21:00:07,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-02 21:00:07,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-02 21:00:07,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-02 21:00:07,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-02 21:00:07,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-02 21:00:07,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-02 21:00:07,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-02 21:00:07,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-02 21:00:07,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-02 21:00:07,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-02 21:00:07,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-02 21:00:07,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-02 21:00:07,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-02 21:00:07,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:00:07,671 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 21:00:07,676 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:00:07,676 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:00:07,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:00:07 BasicIcfg [2022-11-02 21:00:07,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:00:07,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:00:07,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:00:07,680 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:00:07,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:59:10" (3/4) ... [2022-11-02 21:00:07,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:00:07,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 21:00:07,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 21:00:07,688 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 21:00:07,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-02 21:00:07,712 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 21:00:07,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 21:00:07,713 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:00:07,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:00:07,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:00:07,771 INFO L158 Benchmark]: Toolchain (without parser) took 60179.87ms. Allocated memory was 104.9MB in the beginning and 186.6MB in the end (delta: 81.8MB). Free memory was 68.1MB in the beginning and 148.4MB in the end (delta: -80.3MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,771 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 142.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:00:07,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.06ms. Allocated memory is still 104.9MB. Free memory was 68.0MB in the beginning and 68.2MB in the end (delta: -192.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.58ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,772 INFO L158 Benchmark]: Boogie Preprocessor took 66.37ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,773 INFO L158 Benchmark]: RCFGBuilder took 1731.86ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 63.2MB in the beginning and 81.2MB in the end (delta: -18.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,773 INFO L158 Benchmark]: TraceAbstraction took 57495.97ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 80.3MB in the beginning and 50.0MB in the end (delta: 30.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,773 INFO L158 Benchmark]: Witness Printer took 91.02ms. Allocated memory is still 186.6MB. Free memory was 50.0MB in the beginning and 148.4MB in the end (delta: -98.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-11-02 21:00:07,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory was 86.3MB in the beginning and 86.2MB in the end (delta: 142.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.06ms. Allocated memory is still 104.9MB. Free memory was 68.0MB in the beginning and 68.2MB in the end (delta: -192.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.58ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 65.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.37ms. Allocated memory is still 104.9MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1731.86ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 63.2MB in the beginning and 81.2MB in the end (delta: -18.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * TraceAbstraction took 57495.97ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 80.3MB in the beginning and 50.0MB in the end (delta: 30.3MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Witness Printer took 91.02ms. Allocated memory is still 186.6MB. Free memory was 50.0MB in the beginning and 148.4MB in the end (delta: -98.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.3s, 144 PlacesBefore, 39 PlacesAfterwards, 136 TransitionsBefore, 30 TransitionsAfterwards, 2492 CoEnabledTransitionPairs, 7 FixpointIterations, 59 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 119 TotalNumberOfCompositions, 8169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2833, positive: 2558, positive conditional: 0, positive unconditional: 2558, negative: 275, negative conditional: 0, negative unconditional: 275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1731, positive: 1650, positive conditional: 0, positive unconditional: 1650, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1731, positive: 1603, positive conditional: 0, positive unconditional: 1603, negative: 128, negative conditional: 0, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 128, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40058, positive: 113, positive conditional: 0, positive unconditional: 113, negative: 530, negative conditional: 0, negative unconditional: 530, unknown: 39415, unknown conditional: 0, unknown unconditional: 39415] ], Cache Queries: [ total: 2833, positive: 908, positive conditional: 0, positive unconditional: 908, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 1731, unknown conditional: 0, unknown unconditional: 1731] , Statistics on independence cache: Total cache size (in pairs): 180, Positive cache size: 144, Positive conditional cache size: 0, Positive unconditional cache size: 144, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - 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: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 771]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 823]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 167 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 57.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 55.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 114 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 14 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1286occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:00:07,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef469d62-1226-47fd-bf3a-8e0e50602792/bin/uautomizer-Dbtcem3rbc/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