./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c --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_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/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_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/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_deb3b059-ca60-43d4-bc64-157ee3906528/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 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:25:48,794 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:25:48,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 18:25:48,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:25:48,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:25:48,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:25:48,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:25:48,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:25:48,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:25:48,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:25:48,891 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:25:48,892 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:25:48,892 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:25:48,893 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:25:48,893 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:25:48,894 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:25:48,894 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:25:48,895 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:25:48,895 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:25:48,896 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:25:48,896 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:25:48,897 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:25:48,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:25:48,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:25:48,898 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:25:48,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:25:48,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:25:48,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:25:48,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:25:48,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:25:48,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:25:48,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 18:25:48,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 18:25:48,902 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:25:48,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:25:48,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:25:48,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:25:48,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:25:48,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:25:48,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:25:48,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:25:48,904 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:25:48,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:25:48,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:25:48,905 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_deb3b059-ca60-43d4-bc64-157ee3906528/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c6d968f3bfd626cfd1fff51fa64657ab37ae457da61332877d0ea5ab7fc90f2 [2023-12-02 18:25:49,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:25:49,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:25:49,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:25:49,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:25:49,130 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:25:49,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-12-02 18:25:51,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:25:52,153 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:25:52,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-12-02 18:25:52,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/data/5d2f2944f/2c8ef4ad67344d86bf83ddf6552e4576/FLAG5dec30ba2 [2023-12-02 18:25:52,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/data/5d2f2944f/2c8ef4ad67344d86bf83ddf6552e4576 [2023-12-02 18:25:52,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:25:52,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:25:52,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:25:52,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:25:52,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:25:52,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7379d5eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52, skipping insertion in model container [2023-12-02 18:25:52,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:25:52,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:25:52,478 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:25:52,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:25:52,561 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:25:52,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52 WrapperNode [2023-12-02 18:25:52,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:25:52,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:25:52,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:25:52,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:25:52,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,624 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 508 [2023-12-02 18:25:52,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:25:52,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:25:52,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:25:52,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:25:52,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:25:52,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:25:52,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:25:52,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:25:52,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (1/1) ... [2023-12-02 18:25:52,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:25:52,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:25:52,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:25:52,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:25:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2023-12-02 18:25:52,766 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2023-12-02 18:25:52,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:25:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2023-12-02 18:25:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2023-12-02 18:25:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-12-02 18:25:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-12-02 18:25:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2023-12-02 18:25:52,767 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2023-12-02 18:25:52,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:25:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:25:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:25:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2023-12-02 18:25:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2023-12-02 18:25:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:25:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:25:52,768 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2023-12-02 18:25:52,768 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2023-12-02 18:25:52,878 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:25:52,881 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:25:53,338 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:25:53,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:25:53,513 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:25:53,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:53 BoogieIcfgContainer [2023-12-02 18:25:53,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:25:53,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:25:53,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:25:53,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:25:53,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:25:52" (1/3) ... [2023-12-02 18:25:53,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9f080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:25:53, skipping insertion in model container [2023-12-02 18:25:53,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:52" (2/3) ... [2023-12-02 18:25:53,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9f080c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:25:53, skipping insertion in model container [2023-12-02 18:25:53,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:53" (3/3) ... [2023-12-02 18:25:53,524 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.ufo.BOUNDED-10.pals.c [2023-12-02 18:25:53,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:25:53,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-02 18:25:53,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:25:53,601 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;@1fb117b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:25:53,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-02 18:25:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 111 states have internal predecessors, (168), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 18:25:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 18:25:53,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:53,617 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:53,617 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 18:25:53,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1895278765, now seen corresponding path program 1 times [2023-12-02 18:25:53,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:25:53,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889792987] [2023-12-02 18:25:53,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:53,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:25:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 18:25:54,070 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:25:54,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889792987] [2023-12-02 18:25:54,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889792987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:25:54,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:25:54,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:25:54,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413775580] [2023-12-02 18:25:54,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:25:54,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:25:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:25:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:25:54,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:25:54,103 INFO L87 Difference]: Start difference. First operand has 150 states, 109 states have (on average 1.5412844036697249) internal successors, (168), 111 states have internal predecessors, (168), 31 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 18:25:54,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:54,226 INFO L93 Difference]: Finished difference Result 259 states and 409 transitions. [2023-12-02 18:25:54,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:25:54,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2023-12-02 18:25:54,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:54,239 INFO L225 Difference]: With dead ends: 259 [2023-12-02 18:25:54,239 INFO L226 Difference]: Without dead ends: 255 [2023-12-02 18:25:54,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:25:54,245 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 107 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:54,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 652 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:25:54,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-02 18:25:54,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2023-12-02 18:25:54,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 189 states have (on average 1.5396825396825398) internal successors, (291), 190 states have internal predecessors, (291), 57 states have call successors, (57), 7 states have call predecessors, (57), 7 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2023-12-02 18:25:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 405 transitions. [2023-12-02 18:25:54,313 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 405 transitions. Word has length 55 [2023-12-02 18:25:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:54,315 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 405 transitions. [2023-12-02 18:25:54,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-12-02 18:25:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 405 transitions. [2023-12-02 18:25:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 18:25:54,324 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:54,324 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:54,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:25:54,325 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 18:25:54,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:54,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1529074199, now seen corresponding path program 1 times [2023-12-02 18:25:54,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:25:54,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385997676] [2023-12-02 18:25:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:25:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 18:25:54,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:25:54,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385997676] [2023-12-02 18:25:54,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385997676] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:25:54,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397228341] [2023-12-02 18:25:54,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:54,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:54,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:25:54,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:25:54,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:25:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:55,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:25:55,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 18:25:55,153 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:25:55,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397228341] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:25:55,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:25:55,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 18:25:55,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886879235] [2023-12-02 18:25:55,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:25:55,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:25:55,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:25:55,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:25:55,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:25:55,157 INFO L87 Difference]: Start difference. First operand 255 states and 405 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 18:25:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:55,367 INFO L93 Difference]: Finished difference Result 490 states and 769 transitions. [2023-12-02 18:25:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:25:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 106 [2023-12-02 18:25:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:55,371 INFO L225 Difference]: With dead ends: 490 [2023-12-02 18:25:55,371 INFO L226 Difference]: Without dead ends: 266 [2023-12-02 18:25:55,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-02 18:25:55,376 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 335 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:55,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 572 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:25:55,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2023-12-02 18:25:55,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2023-12-02 18:25:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5204081632653061) internal successors, (298), 197 states have internal predecessors, (298), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 18:25:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 414 transitions. [2023-12-02 18:25:55,410 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 414 transitions. Word has length 106 [2023-12-02 18:25:55,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:55,411 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 414 transitions. [2023-12-02 18:25:55,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 18:25:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 414 transitions. [2023-12-02 18:25:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 18:25:55,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:55,416 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:55,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:25:55,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:55,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 18:25:55,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1453582833, now seen corresponding path program 1 times [2023-12-02 18:25:55,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:25:55,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764158037] [2023-12-02 18:25:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:25:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-12-02 18:25:55,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:25:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764158037] [2023-12-02 18:25:55,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764158037] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:25:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399187243] [2023-12-02 18:25:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:55,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:55,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:25:55,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:25:55,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 18:25:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:56,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:25:56,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-02 18:25:56,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:25:56,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399187243] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:25:56,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:25:56,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-12-02 18:25:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588727515] [2023-12-02 18:25:56,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:25:56,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:25:56,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:25:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:25:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:25:56,128 INFO L87 Difference]: Start difference. First operand 266 states and 414 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 18:25:56,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:56,310 INFO L93 Difference]: Finished difference Result 489 states and 765 transitions. [2023-12-02 18:25:56,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:25:56,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 107 [2023-12-02 18:25:56,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:56,313 INFO L225 Difference]: With dead ends: 489 [2023-12-02 18:25:56,314 INFO L226 Difference]: Without dead ends: 267 [2023-12-02 18:25:56,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:25:56,316 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 331 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:56,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 575 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 18:25:56,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-02 18:25:56,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 266. [2023-12-02 18:25:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 196 states have (on average 1.5153061224489797) internal successors, (297), 197 states have internal predecessors, (297), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 18:25:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 413 transitions. [2023-12-02 18:25:56,342 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 413 transitions. Word has length 107 [2023-12-02 18:25:56,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:56,342 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 413 transitions. [2023-12-02 18:25:56,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-02 18:25:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 413 transitions. [2023-12-02 18:25:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 18:25:56,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:56,346 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:56,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 18:25:56,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:56,553 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 18:25:56,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2056646446, now seen corresponding path program 1 times [2023-12-02 18:25:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:25:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78151142] [2023-12-02 18:25:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:25:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 18:25:56,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:25:56,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78151142] [2023-12-02 18:25:56,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78151142] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:25:56,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066366043] [2023-12-02 18:25:56,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:56,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:56,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:25:56,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:25:56,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 18:25:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:56,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:25:56,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:25:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 18:25:57,064 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:25:57,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066366043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:25:57,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:25:57,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-12-02 18:25:57,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873023332] [2023-12-02 18:25:57,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:25:57,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:25:57,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:25:57,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:25:57,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 18:25:57,067 INFO L87 Difference]: Start difference. First operand 266 states and 413 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 18:25:57,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:57,128 INFO L93 Difference]: Finished difference Result 266 states and 413 transitions. [2023-12-02 18:25:57,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:25:57,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 109 [2023-12-02 18:25:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:57,131 INFO L225 Difference]: With dead ends: 266 [2023-12-02 18:25:57,132 INFO L226 Difference]: Without dead ends: 265 [2023-12-02 18:25:57,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:25:57,133 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 110 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:57,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:25:57,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-02 18:25:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2023-12-02 18:25:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 196 states have (on average 1.510204081632653) internal successors, (296), 196 states have internal predecessors, (296), 58 states have call successors, (58), 10 states have call predecessors, (58), 10 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-12-02 18:25:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 412 transitions. [2023-12-02 18:25:57,158 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 412 transitions. Word has length 109 [2023-12-02 18:25:57,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:57,159 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 412 transitions. [2023-12-02 18:25:57,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 18:25:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 412 transitions. [2023-12-02 18:25:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 18:25:57,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:25:57,162 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:25:57,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 18:25:57,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:25:57,363 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-12-02 18:25:57,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:25:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash 668470138, now seen corresponding path program 1 times [2023-12-02 18:25:57,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:25:57,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914009740] [2023-12-02 18:25:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:25:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:25:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:25:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 18:25:57,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 18:25:57,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914009740] [2023-12-02 18:25:57,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914009740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:25:57,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:25:57,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:25:57,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816155652] [2023-12-02 18:25:57,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:25:57,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:25:57,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 18:25:57,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:25:57,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:25:57,517 INFO L87 Difference]: Start difference. First operand 265 states and 412 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 18:25:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:25:57,566 INFO L93 Difference]: Finished difference Result 265 states and 412 transitions. [2023-12-02 18:25:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 18:25:57,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 110 [2023-12-02 18:25:57,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:25:57,567 INFO L225 Difference]: With dead ends: 265 [2023-12-02 18:25:57,567 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 18:25:57,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:25:57,569 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 106 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:25:57,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:25:57,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 18:25:57,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 18:25:57,570 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 18:25:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 18:25:57,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2023-12-02 18:25:57,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:25:57,571 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 18:25:57,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 18:25:57,571 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 18:25:57,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 18:25:57,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-12-02 18:25:57,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-12-02 18:25:57,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 18:25:57,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 18:25:57,994 INFO L902 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: true [2023-12-02 18:25:57,994 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-12-02 18:25:57,994 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 189) no Hoare annotation was computed. [2023-12-02 18:25:57,994 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2023-12-02 18:25:57,994 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 189) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyEXIT(lines 173 191) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 173 191) the Hoare annotation is: true [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point read_manual_selection_historyFINAL(lines 173 191) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 236 248) the Hoare annotation is: true [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point flip_the_sideEXIT(lines 236 248) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyEXIT(lines 113 131) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L902 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: true [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-12-02 18:25:57,995 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 129) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point read_side2_failed_historyFINAL(lines 113 131) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 129) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 129) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 113 131) the Hoare annotation is: true [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 612 623) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 612 623) the Hoare annotation is: true [2023-12-02 18:25:57,996 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2023-12-02 18:25:57,996 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 99) no Hoare annotation was computed. [2023-12-02 18:25:57,997 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyFINAL(lines 83 101) no Hoare annotation was computed. [2023-12-02 18:25:57,997 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 99) no Hoare annotation was computed. [2023-12-02 18:25:57,997 INFO L899 garLoopResultBuilder]: For program point read_side1_failed_historyEXIT(lines 83 101) no Hoare annotation was computed. [2023-12-02 18:25:57,997 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 99) no Hoare annotation was computed. [2023-12-02 18:25:57,997 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 101) the Hoare annotation is: true [2023-12-02 18:25:57,997 INFO L895 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:57,997 INFO L899 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 481) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L366-1(lines 347 370) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 370) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 416) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L466-2(lines 465 481) no Hoare annotation was computed. [2023-12-02 18:25:57,998 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:57,998 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L367-1(line 367) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L895 garLoopResultBuilder]: At program point L582-2(lines 582 608) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:57,999 INFO L895 garLoopResultBuilder]: At program point L450-2(lines 447 454) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 469) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point $Ultimate##84(lines 408 416) no Hoare annotation was computed. [2023-12-02 18:25:57,999 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L502(line 502) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L519(lines 519 536) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 536) no Hoare annotation was computed. [2023-12-02 18:25:58,000 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 517) no Hoare annotation was computed. [2023-12-02 18:25:58,001 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 517) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,001 INFO L895 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,001 INFO L899 garLoopResultBuilder]: For program point $Ultimate##63(lines 358 370) no Hoare annotation was computed. [2023-12-02 18:25:58,001 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 501) no Hoare annotation was computed. [2023-12-02 18:25:58,001 INFO L899 garLoopResultBuilder]: For program point L520-1(line 520) no Hoare annotation was computed. [2023-12-02 18:25:58,001 INFO L895 garLoopResultBuilder]: At program point L487-1(lines 487 501) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,001 INFO L899 garLoopResultBuilder]: For program point $Ultimate##69(lines 366 370) no Hoare annotation was computed. [2023-12-02 18:25:58,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 18:25:58,002 INFO L895 garLoopResultBuilder]: At program point L504(line 504) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,002 INFO L899 garLoopResultBuilder]: For program point L504-1(line 504) no Hoare annotation was computed. [2023-12-02 18:25:58,002 INFO L899 garLoopResultBuilder]: For program point L471-1(lines 465 481) no Hoare annotation was computed. [2023-12-02 18:25:58,002 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 535) no Hoare annotation was computed. [2023-12-02 18:25:58,002 INFO L895 garLoopResultBuilder]: At program point L488(line 488) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,002 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,002 INFO L899 garLoopResultBuilder]: For program point L488-1(line 488) no Hoare annotation was computed. [2023-12-02 18:25:58,002 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 313) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point L505(lines 505 516) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point $Ultimate##49(lines 309 313) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L895 garLoopResultBuilder]: At program point L522(line 522) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point $Ultimate##43(lines 301 313) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point L489(lines 489 500) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point L522-1(line 522) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L899 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2023-12-02 18:25:58,003 INFO L895 garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,004 INFO L899 garLoopResultBuilder]: For program point L605-1(line 605) no Hoare annotation was computed. [2023-12-02 18:25:58,004 INFO L895 garLoopResultBuilder]: At program point L506(line 506) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,004 INFO L899 garLoopResultBuilder]: For program point L506-1(line 506) no Hoare annotation was computed. [2023-12-02 18:25:58,004 INFO L895 garLoopResultBuilder]: At program point L523(line 523) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,004 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,004 INFO L899 garLoopResultBuilder]: For program point L523-1(line 523) no Hoare annotation was computed. [2023-12-02 18:25:58,004 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 485) no Hoare annotation was computed. [2023-12-02 18:25:58,004 INFO L899 garLoopResultBuilder]: For program point L490-1(line 490) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L895 garLoopResultBuilder]: At program point L457-1(lines 457 485) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point Side2_activestandby_task_each_pals_period_returnLabel#1(lines 321 377) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point L606(line 606) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 509) no Hoare annotation was computed. [2023-12-02 18:25:58,005 INFO L899 garLoopResultBuilder]: For program point L408(lines 394 416) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L309-1(lines 290 313) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 534) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L491(lines 491 493) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L895 garLoopResultBuilder]: At program point L458(line 458) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 313) no Hoare annotation was computed. [2023-12-02 18:25:58,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 606) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L895 garLoopResultBuilder]: At program point L310(line 310) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point L277(lines 277 283) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L895 garLoopResultBuilder]: At program point L525(line 525) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point L525-1(line 525) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 484) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 298) no Hoare annotation was computed. [2023-12-02 18:25:58,007 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L526-1(line 526) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L895 garLoopResultBuilder]: At program point L460(line 460) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L460-1(line 460) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 416) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 479) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2023-12-02 18:25:58,008 INFO L895 garLoopResultBuilder]: At program point L494(line 494) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 483) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L494-1(line 494) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L528-1(line 528) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L895 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-12-02 18:25:58,009 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 514) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 370) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L895 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 498) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 482) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point check_returnLabel#1(lines 421 539) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 416) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2023-12-02 18:25:58,010 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~i2~0#1| 2147483648)) (<= |ULTIMATE.start_main_~i2~0#1| 9) (<= (+ ~nomsg~0 1) 0)) [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point Side1_activestandby_task_each_pals_period_returnLabel#1(lines 264 320) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 57 59) the Hoare annotation is: true [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 57 59) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L902 garLoopResultBuilder]: At program point L157(line 157) the Hoare annotation is: true [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point L157-1(line 157) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 159) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 159) no Hoare annotation was computed. [2023-12-02 18:25:58,011 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyEXIT(lines 143 161) no Hoare annotation was computed. [2023-12-02 18:25:58,012 INFO L899 garLoopResultBuilder]: For program point read_active_side_historyFINAL(lines 143 161) no Hoare annotation was computed. [2023-12-02 18:25:58,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 143 161) the Hoare annotation is: true [2023-12-02 18:25:58,015 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 18:25:58,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:25:58,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:25:58 BoogieIcfgContainer [2023-12-02 18:25:58,028 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:25:58,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:25:58,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:25:58,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:25:58,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:53" (3/4) ... [2023-12-02 18:25:58,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 18:25:58,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2023-12-02 18:25:58,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2023-12-02 18:25:58,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2023-12-02 18:25:58,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2023-12-02 18:25:58,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2023-12-02 18:25:58,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 18:25:58,034 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2023-12-02 18:25:58,046 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-12-02 18:25:58,048 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 18:25:58,049 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 18:25:58,050 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 18:25:58,193 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 18:25:58,194 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 18:25:58,194 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:25:58,195 INFO L158 Benchmark]: Toolchain (without parser) took 6009.99ms. Allocated memory was 146.8MB in the beginning and 218.1MB in the end (delta: 71.3MB). Free memory was 101.5MB in the beginning and 184.4MB in the end (delta: -82.8MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,195 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:25:58,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.56ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 83.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.10ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 79.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,196 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 115.3MB in the end (delta: -35.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,196 INFO L158 Benchmark]: RCFGBuilder took 820.85ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 115.2MB in the beginning and 138.5MB in the end (delta: -23.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,197 INFO L158 Benchmark]: TraceAbstraction took 4509.83ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 137.4MB in the beginning and 77.2MB in the end (delta: 60.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,197 INFO L158 Benchmark]: Witness Printer took 165.85ms. Allocated memory is still 218.1MB. Free memory was 76.2MB in the beginning and 184.4MB in the end (delta: -108.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 18:25:58,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.56ms. Allocated memory is still 146.8MB. Free memory was 101.3MB in the beginning and 83.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.10ms. Allocated memory is still 146.8MB. Free memory was 83.5MB in the beginning and 79.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 115.3MB in the end (delta: -35.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 820.85ms. Allocated memory was 146.8MB in the beginning and 180.4MB in the end (delta: 33.6MB). Free memory was 115.2MB in the beginning and 138.5MB in the end (delta: -23.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4509.83ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 137.4MB in the beginning and 77.2MB in the end (delta: 60.2MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * Witness Printer took 165.85ms. Allocated memory is still 218.1MB. Free memory was 76.2MB in the beginning and 184.4MB in the end (delta: -108.2MB). Peak memory consumption was 12.6MB. 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: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 150 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1048 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 989 mSDsluCounter, 2805 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1768 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 1037 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=266occurred in iteration=2, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 322 PreInvPairs, 376 NumberOfFragments, 400 HoareAnnotationTreeSize, 322 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 552 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 809 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 801 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1726 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 441/497 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((0 <= (i2 + 2147483648)) && ((nomsg + 1) <= 0)) RESULT: Ultimate proved your program to be correct! [2023-12-02 18:25:58,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3b059-ca60-43d4-bc64-157ee3906528/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE