./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh --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 6f7e432a886f0272967b45cc6f21d24dfd6dfdb8fd02a0d13e6bb2d2db636b21 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:07:58,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:07:58,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 20:07:58,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:07:58,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:07:58,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:07:58,649 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:07:58,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:07:58,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:07:58,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:07:58,652 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:07:58,652 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:07:58,653 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:07:58,653 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:07:58,654 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:07:58,654 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:07:58,655 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:07:58,655 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:07:58,656 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:07:58,656 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:07:58,657 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:07:58,658 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:07:58,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:07:58,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:07:58,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:07:58,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:07:58,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:07:58,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:07:58,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:07:58,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:07:58,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:07:58,662 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:07:58,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:07:58,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:07:58,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:07:58,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:07:58,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:07:58,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:07:58,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:07:58,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:07:58,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:07:58,665 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:07:58,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:07:58,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:07:58,666 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_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f7e432a886f0272967b45cc6f21d24dfd6dfdb8fd02a0d13e6bb2d2db636b21 [2023-12-02 20:07:58,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:07:58,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:07:58,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:07:58,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:07:58,919 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:07:58,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i [2023-12-02 20:08:01,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:08:01,884 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:08:01,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/sv-benchmarks/c/pthread-wmm/mix035_power.opt_rmo.opt.i [2023-12-02 20:08:01,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/data/b92868a8a/7131ad2bf0474948812e9149c56f3744/FLAG133cf507b [2023-12-02 20:08:01,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/data/b92868a8a/7131ad2bf0474948812e9149c56f3744 [2023-12-02 20:08:01,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:08:01,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:08:01,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:08:01,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:08:01,923 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:08:01,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:08:01" (1/1) ... [2023-12-02 20:08:01,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d461ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:01, skipping insertion in model container [2023-12-02 20:08:01,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:08:01" (1/1) ... [2023-12-02 20:08:01,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:08:02,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:08:02,308 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:08:02,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:08:02,394 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:08:02,394 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:08:02,401 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:08:02,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02 WrapperNode [2023-12-02 20:08:02,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:08:02,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:08:02,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:08:02,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:08:02,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,455 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 138 [2023-12-02 20:08:02,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:08:02,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:08:02,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:08:02,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:08:02,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:08:02,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:08:02,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:08:02,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:08:02,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (1/1) ... [2023-12-02 20:08:02,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:08:02,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:08:02,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:08:02,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:08:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 20:08:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 20:08:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 20:08:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 20:08:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 20:08:02,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 20:08:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:08:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:08:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:08:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:08:02,574 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:08:02,716 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:08:02,718 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:08:03,033 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:08:03,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:08:03,239 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:08:03,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:08:03 BoogieIcfgContainer [2023-12-02 20:08:03,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:08:03,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:08:03,242 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:08:03,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:08:03,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:08:01" (1/3) ... [2023-12-02 20:08:03,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b46179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:08:03, skipping insertion in model container [2023-12-02 20:08:03,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:08:02" (2/3) ... [2023-12-02 20:08:03,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b46179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:08:03, skipping insertion in model container [2023-12-02 20:08:03,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:08:03" (3/3) ... [2023-12-02 20:08:03,247 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035_power.opt_rmo.opt.i [2023-12-02 20:08:03,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:08:03,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:08:03,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 20:08:03,262 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:08:03,303 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:08:03,327 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 41 transitions, 94 flow [2023-12-02 20:08:03,552 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6363 states, 6337 states have (on average 3.530692756824996) internal successors, (22374), 6362 states have internal predecessors, (22374), 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) [2023-12-02 20:08:03,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:08:03,572 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;@2c6b9603, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:08:03,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-12-02 20:08:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 6363 states, 6337 states have (on average 3.530692756824996) internal successors, (22374), 6362 states have internal predecessors, (22374), 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) [2023-12-02 20:08:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:08:03,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:03,596 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:08:03,597 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:08:03,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:03,601 INFO L85 PathProgramCache]: Analyzing trace with hash 813382286, now seen corresponding path program 1 times [2023-12-02 20:08:03,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:03,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559424955] [2023-12-02 20:08:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:03,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:03,876 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:03,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559424955] [2023-12-02 20:08:03,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559424955] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:03,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:03,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:08:03,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688951339] [2023-12-02 20:08:03,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:03,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:08:03,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:03,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:08:03,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:08:03,926 INFO L87 Difference]: Start difference. First operand has 6363 states, 6337 states have (on average 3.530692756824996) internal successors, (22374), 6362 states have internal predecessors, (22374), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:04,122 INFO L93 Difference]: Finished difference Result 4449 states and 15040 transitions. [2023-12-02 20:08:04,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:08:04,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 20:08:04,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:04,207 INFO L225 Difference]: With dead ends: 4449 [2023-12-02 20:08:04,207 INFO L226 Difference]: Without dead ends: 4449 [2023-12-02 20:08:04,209 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 [2023-12-02 20:08:04,212 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 20 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:04,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 22 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:08:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4449 states. [2023-12-02 20:08:04,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4449 to 4449. [2023-12-02 20:08:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4449 states, 4431 states have (on average 3.3942676596705033) internal successors, (15040), 4448 states have internal predecessors, (15040), 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) [2023-12-02 20:08:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 4449 states and 15040 transitions. [2023-12-02 20:08:04,515 INFO L78 Accepts]: Start accepts. Automaton has 4449 states and 15040 transitions. Word has length 7 [2023-12-02 20:08:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:04,515 INFO L495 AbstractCegarLoop]: Abstraction has 4449 states and 15040 transitions. [2023-12-02 20:08:04,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4449 states and 15040 transitions. [2023-12-02 20:08:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 20:08:04,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:04,522 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:08:04,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:08:04,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:08:04,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1555829653, now seen corresponding path program 1 times [2023-12-02 20:08:04,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:04,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386788462] [2023-12-02 20:08:04,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:04,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:04,657 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:04,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386788462] [2023-12-02 20:08:04,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386788462] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:04,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:04,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:08:04,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937313566] [2023-12-02 20:08:04,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:04,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:08:04,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:04,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:08:04,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:08:04,660 INFO L87 Difference]: Start difference. First operand 4449 states and 15040 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 20:08:04,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:04,808 INFO L93 Difference]: Finished difference Result 3755 states and 12759 transitions. [2023-12-02 20:08:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:08:04,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-02 20:08:04,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:04,846 INFO L225 Difference]: With dead ends: 3755 [2023-12-02 20:08:04,846 INFO L226 Difference]: Without dead ends: 3755 [2023-12-02 20:08:04,847 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 [2023-12-02 20:08:04,848 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 44 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:04,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 44 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:08:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3755 states. [2023-12-02 20:08:05,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3755 to 3755. [2023-12-02 20:08:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3749 states have (on average 3.403307548679648) internal successors, (12759), 3754 states have internal predecessors, (12759), 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) [2023-12-02 20:08:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 12759 transitions. [2023-12-02 20:08:05,076 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 12759 transitions. Word has length 14 [2023-12-02 20:08:05,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:05,078 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 12759 transitions. [2023-12-02 20:08:05,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 20:08:05,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 12759 transitions. [2023-12-02 20:08:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 20:08:05,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:05,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:08:05,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:08:05,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:08:05,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:05,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1555829652, now seen corresponding path program 1 times [2023-12-02 20:08:05,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:05,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730289907] [2023-12-02 20:08:05,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:05,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:05,210 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:05,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730289907] [2023-12-02 20:08:05,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730289907] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:05,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:05,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:08:05,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060205439] [2023-12-02 20:08:05,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:05,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:08:05,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:08:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:08:05,212 INFO L87 Difference]: Start difference. First operand 3755 states and 12759 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 20:08:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:05,349 INFO L93 Difference]: Finished difference Result 3229 states and 11000 transitions. [2023-12-02 20:08:05,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:08:05,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-12-02 20:08:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:05,379 INFO L225 Difference]: With dead ends: 3229 [2023-12-02 20:08:05,379 INFO L226 Difference]: Without dead ends: 3229 [2023-12-02 20:08:05,380 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 [2023-12-02 20:08:05,381 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 55 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:05,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 33 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:08:05,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3229 states. [2023-12-02 20:08:05,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3229 to 3229. [2023-12-02 20:08:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3226 states have (on average 3.4097954122752636) internal successors, (11000), 3228 states have internal predecessors, (11000), 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) [2023-12-02 20:08:05,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 11000 transitions. [2023-12-02 20:08:05,517 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 11000 transitions. Word has length 14 [2023-12-02 20:08:05,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:05,518 INFO L495 AbstractCegarLoop]: Abstraction has 3229 states and 11000 transitions. [2023-12-02 20:08:05,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-12-02 20:08:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 11000 transitions. [2023-12-02 20:08:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 20:08:05,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:08:05,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:08:05,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:08:05,528 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:08:05,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:08:05,529 INFO L85 PathProgramCache]: Analyzing trace with hash -470953033, now seen corresponding path program 1 times [2023-12-02 20:08:05,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:08:05,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296809177] [2023-12-02 20:08:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:08:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:08:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:08:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:08:05,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:08:05,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296809177] [2023-12-02 20:08:05,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296809177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:08:05,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:08:05,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:08:05,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259910206] [2023-12-02 20:08:05,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:08:05,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:08:05,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:08:05,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:08:05,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:08:05,669 INFO L87 Difference]: Start difference. First operand 3229 states and 11000 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:05,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:08:05,833 INFO L93 Difference]: Finished difference Result 3145 states and 10760 transitions. [2023-12-02 20:08:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:08:05,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 20:08:05,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:08:05,834 INFO L225 Difference]: With dead ends: 3145 [2023-12-02 20:08:05,834 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 20:08:05,834 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 [2023-12-02 20:08:05,836 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 70 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:08:05,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 33 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:08:05,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 20:08:05,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 20:08:05,837 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) [2023-12-02 20:08:05,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 20:08:05,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-02 20:08:05,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:08:05,838 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 20:08:05,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:08:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 20:08:05,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 20:08:05,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-12-02 20:08:05,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-12-02 20:08:05,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-12-02 20:08:05,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-12-02 20:08:05,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-12-02 20:08:05,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-12-02 20:08:05,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-12-02 20:08:05,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-12-02 20:08:05,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-12-02 20:08:05,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-12-02 20:08:05,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-12-02 20:08:05,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-12-02 20:08:05,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-12-02 20:08:05,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-12-02 20:08:05,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-12-02 20:08:05,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:08:05,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-02 20:08:05,852 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 20:08:05,852 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:08:05,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:08:05 BasicIcfg [2023-12-02 20:08:05,855 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:08:05,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:08:05,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:08:05,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:08:05,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:08:03" (3/4) ... [2023-12-02 20:08:05,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:08:05,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-12-02 20:08:05,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-12-02 20:08:05,861 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-12-02 20:08:05,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2023-12-02 20:08:05,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-02 20:08:05,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 20:08:05,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 20:08:05,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 20:08:05,952 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 20:08:05,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:08:05,953 INFO L158 Benchmark]: Toolchain (without parser) took 4035.07ms. Allocated memory was 138.4MB in the beginning and 213.9MB in the end (delta: 75.5MB). Free memory was 97.1MB in the beginning and 91.7MB in the end (delta: 5.4MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,953 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:08:05,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.83ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 73.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.39ms. Allocated memory is still 138.4MB. Free memory was 73.6MB in the beginning and 71.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,954 INFO L158 Benchmark]: Boogie Preprocessor took 35.04ms. Allocated memory is still 138.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,955 INFO L158 Benchmark]: RCFGBuilder took 748.08ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 69.4MB in the beginning and 106.1MB in the end (delta: -36.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,955 INFO L158 Benchmark]: TraceAbstraction took 2613.50ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 105.1MB in the beginning and 96.8MB in the end (delta: 8.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,956 INFO L158 Benchmark]: Witness Printer took 95.91ms. Allocated memory is still 213.9MB. Free memory was 95.8MB in the beginning and 91.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:08:05,958 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.83ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 73.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.39ms. Allocated memory is still 138.4MB. Free memory was 73.6MB in the beginning and 71.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.04ms. Allocated memory is still 138.4MB. Free memory was 71.2MB in the beginning and 69.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.08ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 69.4MB in the beginning and 106.1MB in the end (delta: -36.7MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2613.50ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 105.1MB in the beginning and 96.8MB in the end (delta: 8.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 95.91ms. Allocated memory is still 213.9MB. Free memory was 95.8MB in the beginning and 91.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 800]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 826]: 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, 74 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 252 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 55 mSDtfsCounter, 252 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=6363occurred 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: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 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! [2023-12-02 20:08:05,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c4bf3d-fbde-4ead-865f-2661487fecd6/bin/utaipan-verify-nQ1chXbOIh/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