./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix002.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e77d530bbfcfe22638f8b89e94c23e25f591d8037158e571482779188378fc47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:11:38,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:11:38,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:11:38,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:11:38,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:11:38,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:11:38,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:11:38,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:11:38,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:11:38,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:11:38,867 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:11:38,868 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:11:38,868 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:11:38,870 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:11:38,870 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:11:38,871 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:11:38,871 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:11:38,871 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:11:38,872 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:11:38,873 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:11:38,873 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:11:38,874 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:11:38,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:11:38,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:11:38,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:11:38,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:11:38,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:11:38,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:11:38,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:11:38,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:11:38,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:11:38,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:11:38,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:11:38,880 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:11:38,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:11:38,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:11:38,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:11:38,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:11:38,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:38,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:11:38,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:11:38,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:11:38,898 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:11:38,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:11:38,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:11:38,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:11:38,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:11:38,899 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e77d530bbfcfe22638f8b89e94c23e25f591d8037158e571482779188378fc47 [2023-11-19 04:11:39,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:11:39,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:11:39,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:11:39,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:11:39,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:11:39,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/pthread-wmm/mix002.oepc.i [2023-11-19 04:11:42,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:11:42,909 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:11:42,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/sv-benchmarks/c/pthread-wmm/mix002.oepc.i [2023-11-19 04:11:42,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/data/3092745fd/35fd800ceb3247d8bf68ffb13c5eec7c/FLAG66ede08a5 [2023-11-19 04:11:42,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/data/3092745fd/35fd800ceb3247d8bf68ffb13c5eec7c [2023-11-19 04:11:42,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:11:42,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:11:42,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:42,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:11:42,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:11:42,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:42" (1/1) ... [2023-11-19 04:11:42,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c49d05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:42, skipping insertion in model container [2023-11-19 04:11:42,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:11:42" (1/1) ... [2023-11-19 04:11:43,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:11:43,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:43,564 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:11:43,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:11:43,681 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:11:43,681 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:11:43,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:11:43,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43 WrapperNode [2023-11-19 04:11:43,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:11:43,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:43,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:11:43,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:11:43,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,775 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 146 [2023-11-19 04:11:43,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:11:43,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:11:43,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:11:43,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:11:43,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,830 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:11:43,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:11:43,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:11:43,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:11:43,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (1/1) ... [2023-11-19 04:11:43,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:11:43,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:11:43,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:11:43,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:11:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:11:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:11:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:11:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:11:43,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:11:43,965 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 04:11:43,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 04:11:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 04:11:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 04:11:43,966 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 04:11:43,966 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 04:11:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:11:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:11:43,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:11:43,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:11:43,969 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:11:44,212 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:11:44,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:11:44,687 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:44,930 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:44,931 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:11:44,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:44 BoogieIcfgContainer [2023-11-19 04:11:44,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:44,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:44,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:44,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:44,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:11:42" (1/3) ... [2023-11-19 04:11:44,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c252898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:44, skipping insertion in model container [2023-11-19 04:11:44,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:11:43" (2/3) ... [2023-11-19 04:11:44,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c252898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:44, skipping insertion in model container [2023-11-19 04:11:44,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:44" (3/3) ... [2023-11-19 04:11:44,955 INFO L112 eAbstractionObserver]: Analyzing ICFG mix002.oepc.i [2023-11-19 04:11:44,966 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:11:44,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:44,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 04:11:44,979 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:11:45,056 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-19 04:11:45,107 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:11:45,126 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 129 transitions, 270 flow [2023-11-19 04:11:45,130 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 129 transitions, 270 flow [2023-11-19 04:11:45,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 129 transitions, 270 flow [2023-11-19 04:11:45,231 INFO L124 PetriNetUnfolderBase]: 3/126 cut-off events. [2023-11-19 04:11:45,232 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 04:11:45,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 126 events. 3/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 92 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-19 04:11:45,245 INFO L119 LiptonReduction]: Number of co-enabled transitions 3382 [2023-11-19 04:11:51,773 INFO L134 LiptonReduction]: Checked pairs total: 12286 [2023-11-19 04:11:51,773 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-11-19 04:11:51,783 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 42 places, 33 transitions, 78 flow [2023-11-19 04:11:51,944 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1916 states, 1890 states have (on average 3.588359788359788) internal successors, (6782), 1915 states have internal predecessors, (6782), 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) [2023-11-19 04:11:51,969 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:51,978 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=LoopHeads, 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;@4aa7dfe0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:51,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-11-19 04:11:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 1916 states, 1890 states have (on average 3.588359788359788) internal successors, (6782), 1915 states have internal predecessors, (6782), 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) [2023-11-19 04:11:51,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:11:51,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:51,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 04:11:51,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 04:11:52,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:52,007 INFO L85 PathProgramCache]: Analyzing trace with hash 561461125, now seen corresponding path program 1 times [2023-11-19 04:11:52,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:52,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971683318] [2023-11-19 04:11:52,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:11:52,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:52,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971683318] [2023-11-19 04:11:52,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971683318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:52,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:52,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 04:11:52,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519059652] [2023-11-19 04:11:52,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:52,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:11:52,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:52,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:11:52,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:11:52,469 INFO L87 Difference]: Start difference. First operand has 1916 states, 1890 states have (on average 3.588359788359788) internal successors, (6782), 1915 states have internal predecessors, (6782), 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) [2023-11-19 04:11:52,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:52,618 INFO L93 Difference]: Finished difference Result 792 states and 2085 transitions. [2023-11-19 04:11:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:11:52,620 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 [2023-11-19 04:11:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:52,644 INFO L225 Difference]: With dead ends: 792 [2023-11-19 04:11:52,645 INFO L226 Difference]: Without dead ends: 792 [2023-11-19 04:11:52,646 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 [2023-11-19 04:11:52,649 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:52,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:11:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2023-11-19 04:11:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2023-11-19 04:11:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 774 states have (on average 2.693798449612403) internal successors, (2085), 791 states have internal predecessors, (2085), 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) [2023-11-19 04:11:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 2085 transitions. [2023-11-19 04:11:52,770 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 2085 transitions. Word has length 5 [2023-11-19 04:11:52,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:52,771 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 2085 transitions. [2023-11-19 04:11:52,771 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) [2023-11-19 04:11:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 2085 transitions. [2023-11-19 04:11:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:11:52,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:52,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:52,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:11:52,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 04:11:52,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:52,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1750693798, now seen corresponding path program 1 times [2023-11-19 04:11:52,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:52,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483240209] [2023-11-19 04:11:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:52,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:11:53,003 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:53,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483240209] [2023-11-19 04:11:53,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483240209] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:53,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:53,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:11:53,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177896970] [2023-11-19 04:11:53,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:53,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:11:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:53,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:11:53,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:53,008 INFO L87 Difference]: Start difference. First operand 792 states and 2085 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) [2023-11-19 04:11:53,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:53,135 INFO L93 Difference]: Finished difference Result 628 states and 1649 transitions. [2023-11-19 04:11:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:11:53,136 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 [2023-11-19 04:11:53,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:53,142 INFO L225 Difference]: With dead ends: 628 [2023-11-19 04:11:53,142 INFO L226 Difference]: Without dead ends: 628 [2023-11-19 04:11:53,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:53,144 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:53,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 12 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:11:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2023-11-19 04:11:53,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2023-11-19 04:11:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 622 states have (on average 2.6511254019292605) internal successors, (1649), 627 states have internal predecessors, (1649), 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) [2023-11-19 04:11:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1649 transitions. [2023-11-19 04:11:53,189 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1649 transitions. Word has length 12 [2023-11-19 04:11:53,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:53,191 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 1649 transitions. [2023-11-19 04:11:53,191 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) [2023-11-19 04:11:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1649 transitions. [2023-11-19 04:11:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:11:53,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:53,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:53,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:11:53,202 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 04:11:53,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:53,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1563068166, now seen corresponding path program 1 times [2023-11-19 04:11:53,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:53,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400099841] [2023-11-19 04:11:53,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:53,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:11:53,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:53,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400099841] [2023-11-19 04:11:53,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400099841] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:53,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:53,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:11:53,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172558752] [2023-11-19 04:11:53,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:53,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:11:53,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:53,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:11:53,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:53,364 INFO L87 Difference]: Start difference. First operand 628 states and 1649 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-19 04:11:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:53,481 INFO L93 Difference]: Finished difference Result 305 states and 715 transitions. [2023-11-19 04:11:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:11:53,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2023-11-19 04:11:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:53,484 INFO L225 Difference]: With dead ends: 305 [2023-11-19 04:11:53,484 INFO L226 Difference]: Without dead ends: 305 [2023-11-19 04:11:53,486 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 [2023-11-19 04:11:53,490 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 21 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:53,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 9 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:11:53,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2023-11-19 04:11:53,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2023-11-19 04:11:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 302 states have (on average 2.3675496688741724) internal successors, (715), 304 states have internal predecessors, (715), 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) [2023-11-19 04:11:53,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 715 transitions. [2023-11-19 04:11:53,505 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 715 transitions. Word has length 13 [2023-11-19 04:11:53,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:53,506 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 715 transitions. [2023-11-19 04:11:53,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2023-11-19 04:11:53,506 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 715 transitions. [2023-11-19 04:11:53,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:11:53,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:53,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:11:53,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:11:53,509 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-11-19 04:11:53,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash -902977110, now seen corresponding path program 1 times [2023-11-19 04:11:53,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:53,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580954916] [2023-11-19 04:11:53,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:53,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:11:53,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:53,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580954916] [2023-11-19 04:11:53,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580954916] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:53,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:53,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:11:53,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674369446] [2023-11-19 04:11:53,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:53,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:11:53,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:53,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:11:53,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:11:53,683 INFO L87 Difference]: Start difference. First operand 305 states and 715 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:11:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:53,791 INFO L93 Difference]: Finished difference Result 251 states and 619 transitions. [2023-11-19 04:11:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:11:53,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2023-11-19 04:11:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:53,792 INFO L225 Difference]: With dead ends: 251 [2023-11-19 04:11:53,792 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:11:53,793 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 [2023-11-19 04:11:53,795 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:53,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 9 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:11:53,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:11:53,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:11:53,799 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) [2023-11-19 04:11:53,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:11:53,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2023-11-19 04:11:53,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:53,800 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:11:53,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:11:53,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:11:53,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:11:53,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-11-19 04:11:53,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-11-19 04:11:53,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-11-19 04:11:53,805 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-11-19 04:11:53,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-11-19 04:11:53,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-11-19 04:11:53,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-11-19 04:11:53,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-11-19 04:11:53,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-11-19 04:11:53,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-11-19 04:11:53,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-11-19 04:11:53,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-11-19 04:11:53,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-11-19 04:11:53,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-11-19 04:11:53,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-11-19 04:11:53,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:11:53,810 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:11:53,816 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 04:11:53,816 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:11:53,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:11:53 BasicIcfg [2023-11-19 04:11:53,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:11:53,821 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:11:53,821 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:11:53,821 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:11:53,822 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:44" (3/4) ... [2023-11-19 04:11:53,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:11:53,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-19 04:11:53,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-19 04:11:53,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-19 04:11:53,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 04:11:53,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:11:53,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:11:53,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:11:53,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:11:53,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:11:53,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:11:53,933 INFO L158 Benchmark]: Toolchain (without parser) took 10981.33ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 79.4MB in the beginning and 79.5MB in the end (delta: -11.8kB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,933 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:11:53,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.90ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 55.7MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.86ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 53.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,937 INFO L158 Benchmark]: Boogie Preprocessor took 93.99ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,938 INFO L158 Benchmark]: RCFGBuilder took 1068.10ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 56.7MB in the end (delta: -5.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,938 INFO L158 Benchmark]: TraceAbstraction took 8876.18ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 56.1MB in the beginning and 84.7MB in the end (delta: -28.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,939 INFO L158 Benchmark]: Witness Printer took 111.82ms. Allocated memory is still 182.5MB. Free memory was 84.7MB in the beginning and 79.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:11:53,941 INFO L338 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 117.4MB. Free memory is still 88.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.90ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 55.7MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.86ms. Allocated memory is still 117.4MB. Free memory was 55.7MB in the beginning and 53.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.99ms. Allocated memory is still 117.4MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.10ms. Allocated memory is still 117.4MB. Free memory was 51.1MB in the beginning and 56.7MB in the end (delta: -5.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8876.18ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 56.1MB in the beginning and 84.7MB in the end (delta: -28.6MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Witness Printer took 111.82ms. Allocated memory is still 182.5MB. Free memory was 84.7MB in the beginning and 79.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.6s, 136 PlacesBefore, 42 PlacesAfterwards, 129 TransitionsBefore, 33 TransitionsAfterwards, 3382 CoEnabledTransitionPairs, 8 FixpointIterations, 42 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 2 ChoiceCompositions, 114 TotalNumberOfCompositions, 12286 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5152, independent: 4814, independent conditional: 0, independent unconditional: 4814, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2476, independent: 2397, independent conditional: 0, independent unconditional: 2397, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2476, independent: 2348, independent conditional: 0, independent unconditional: 2348, dependent: 128, dependent conditional: 0, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 128, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 770, independent: 145, independent conditional: 0, independent unconditional: 145, dependent: 625, dependent conditional: 0, dependent unconditional: 625, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5152, independent: 2417, independent conditional: 0, independent unconditional: 2417, dependent: 259, dependent conditional: 0, dependent unconditional: 259, unknown: 2476, unknown conditional: 0, unknown unconditional: 2476] , Statistics on independence cache: Total cache size (in pairs): 291, Positive cache size: 264, Positive conditional cache size: 0, Positive unconditional cache size: 264, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 781]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 781]: 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 - PositiveResult [Line: 804]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 840]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 840]: 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, 164 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 234 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 15 mSDtfsCounter, 234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1916occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 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! [2023-11-19 04:11:53,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f133af8-2771-4dec-b4ee-c2208ae8f90b/bin/utaipan-verify-t7M7D8N6sZ/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