./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:38:29,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:38:29,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 18:38:29,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:38:29,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:38:29,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:38:29,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:38:29,772 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:38:29,773 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:38:29,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:38:29,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:38:29,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:38:29,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:38:29,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:38:29,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:38:29,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:38:29,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:38:29,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:38:29,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:38:29,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:38:29,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:38:29,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:38:29,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:38:29,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:38:29,784 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:38:29,785 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:38:29,785 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:38:29,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:38:29,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:38:29,787 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:38:29,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:38:29,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:38:29,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:38:29,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:38:29,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:38:29,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:38:29,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:38:29,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:38:29,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:38:29,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:38:29,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:38:29,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:38:29,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:38:29,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:38:29,815 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d [2024-11-08 18:38:30,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:38:30,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:38:30,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:38:30,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:38:30,223 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:38:30,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c Unable to find full path for "g++" [2024-11-08 18:38:33,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:38:33,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:38:33,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2024-11-08 18:38:33,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/data/3061a0150/85ba5e0c6da64c739e5d3b22595eeb4e/FLAG348936537 [2024-11-08 18:38:33,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/data/3061a0150/85ba5e0c6da64c739e5d3b22595eeb4e [2024-11-08 18:38:33,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:38:33,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:38:33,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:38:33,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:38:33,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:38:33,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:38:33" (1/1) ... [2024-11-08 18:38:33,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396b2aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:33, skipping insertion in model container [2024-11-08 18:38:33,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:38:33" (1/1) ... [2024-11-08 18:38:33,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:38:33,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:38:33,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:38:34,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:38:34,048 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:38:34,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34 WrapperNode [2024-11-08 18:38:34,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:38:34,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:38:34,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:38:34,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:38:34,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,139 INFO L138 Inliner]: procedures = 32, calls = 49, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 512 [2024-11-08 18:38:34,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:38:34,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:38:34,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:38:34,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:38:34,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,193 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 18:38:34,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:38:34,262 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:38:34,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:38:34,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:38:34,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (1/1) ... [2024-11-08 18:38:34,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:38:34,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:34,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:38:34,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:38:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2024-11-08 18:38:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2024-11-08 18:38:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:38:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2024-11-08 18:38:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2024-11-08 18:38:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-08 18:38:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-08 18:38:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2024-11-08 18:38:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2024-11-08 18:38:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:38:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:38:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:38:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2024-11-08 18:38:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2024-11-08 18:38:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:38:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:38:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2024-11-08 18:38:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2024-11-08 18:38:34,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:38:34,571 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:38:35,690 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-08 18:38:35,691 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:38:35,730 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:38:35,732 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:38:35,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:38:35 BoogieIcfgContainer [2024-11-08 18:38:35,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:38:35,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:38:35,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:38:35,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:38:35,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:38:33" (1/3) ... [2024-11-08 18:38:35,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70039a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:38:35, skipping insertion in model container [2024-11-08 18:38:35,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:38:34" (2/3) ... [2024-11-08 18:38:35,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70039a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:38:35, skipping insertion in model container [2024-11-08 18:38:35,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:38:35" (3/3) ... [2024-11-08 18:38:35,748 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2024-11-08 18:38:35,775 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:38:35,775 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:38:35,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:38:35,889 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@5b9218af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:38:35,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:38:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 145 states have internal predecessors, (220), 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) [2024-11-08 18:38:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 18:38:35,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:35,930 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 18:38:35,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:35,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:35,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1212667262, now seen corresponding path program 1 times [2024-11-08 18:38:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:35,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390503096] [2024-11-08 18:38:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 18:38:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:38:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:38:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:38:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:38:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:38:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:36,514 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:38:36,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:36,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390503096] [2024-11-08 18:38:36,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390503096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:38:36,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:38:36,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:38:36,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45097947] [2024-11-08 18:38:36,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:38:36,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:38:36,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:36,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:38:36,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:38:36,582 INFO L87 Difference]: Start difference. First operand has 184 states, 143 states have (on average 1.5384615384615385) internal successors, (220), 145 states have internal predecessors, (220), 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:38:36,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:36,651 INFO L93 Difference]: Finished difference Result 351 states and 563 transitions. [2024-11-08 18:38:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:38:36,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-08 18:38:36,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:36,673 INFO L225 Difference]: With dead ends: 351 [2024-11-08 18:38:36,673 INFO L226 Difference]: Without dead ends: 178 [2024-11-08 18:38:36,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:38:36,685 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:36,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:38:36,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-08 18:38:36,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-08 18:38:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 138 states have (on average 1.5289855072463767) internal successors, (211), 139 states have internal predecessors, (211), 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) [2024-11-08 18:38:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 273 transitions. [2024-11-08 18:38:36,787 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 273 transitions. Word has length 72 [2024-11-08 18:38:36,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:36,787 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 273 transitions. [2024-11-08 18:38:36,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 18:38:36,788 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 273 transitions. [2024-11-08 18:38:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-08 18:38:36,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:36,809 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 18:38:36,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:38:36,813 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:36,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:36,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1364667330, now seen corresponding path program 1 times [2024-11-08 18:38:36,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:36,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930850272] [2024-11-08 18:38:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:36,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 18:38:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 18:38:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:38:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 18:38:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 18:38:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 18:38:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:38:37,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:37,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930850272] [2024-11-08 18:38:37,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930850272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:38:37,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446933850] [2024-11-08 18:38:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:37,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:37,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:38:37,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:38:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:37,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:38:37,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:38:37,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:38:37,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:38:37,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446933850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:38:37,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:38:37,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-08 18:38:37,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466752314] [2024-11-08 18:38:37,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:38:37,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:38:37,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:37,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:38:37,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:38:37,971 INFO L87 Difference]: Start difference. First operand 178 states and 273 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 18:38:38,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:38,317 INFO L93 Difference]: Finished difference Result 392 states and 591 transitions. [2024-11-08 18:38:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:38:38,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-08 18:38:38,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:38,328 INFO L225 Difference]: With dead ends: 392 [2024-11-08 18:38:38,328 INFO L226 Difference]: Without dead ends: 231 [2024-11-08 18:38:38,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:38:38,336 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 394 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:38,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 713 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:38:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-08 18:38:38,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-08 18:38:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5082872928176796) internal successors, (273), 182 states have internal predecessors, (273), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 18:38:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 343 transitions. [2024-11-08 18:38:38,394 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 343 transitions. Word has length 72 [2024-11-08 18:38:38,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:38,395 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 343 transitions. [2024-11-08 18:38:38,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 18:38:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 343 transitions. [2024-11-08 18:38:38,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 18:38:38,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:38,400 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 18:38:38,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:38:38,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:38,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:38,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2103261276, now seen corresponding path program 1 times [2024-11-08 18:38:38,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:38,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710035520] [2024-11-08 18:38:38,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:38:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-08 18:38:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 18:38:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 18:38:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-08 18:38:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 18:38:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:38:39,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:39,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710035520] [2024-11-08 18:38:39,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710035520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:38:39,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680370205] [2024-11-08 18:38:39,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:39,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:39,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:39,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:38:39,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:38:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:39,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:38:39,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:38:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:38:39,387 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:38:39,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680370205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:38:39,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:38:39,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-08 18:38:39,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051906973] [2024-11-08 18:38:39,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:38:39,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:38:39,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:39,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:38:39,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:38:39,391 INFO L87 Difference]: Start difference. First operand 228 states and 343 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 18:38:39,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:39,655 INFO L93 Difference]: Finished difference Result 392 states and 589 transitions. [2024-11-08 18:38:39,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:38:39,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-08 18:38:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:39,659 INFO L225 Difference]: With dead ends: 392 [2024-11-08 18:38:39,659 INFO L226 Difference]: Without dead ends: 231 [2024-11-08 18:38:39,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:38:39,665 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 391 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:39,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 716 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:38:39,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-08 18:38:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228. [2024-11-08 18:38:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 181 states have (on average 1.5027624309392265) internal successors, (272), 182 states have internal predecessors, (272), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 18:38:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 342 transitions. [2024-11-08 18:38:39,709 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 342 transitions. Word has length 73 [2024-11-08 18:38:39,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:39,710 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 342 transitions. [2024-11-08 18:38:39,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-08 18:38:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 342 transitions. [2024-11-08 18:38:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 18:38:39,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:39,714 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 18:38:39,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:38:39,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:39,919 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:39,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:39,920 INFO L85 PathProgramCache]: Analyzing trace with hash -263747311, now seen corresponding path program 1 times [2024-11-08 18:38:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833966506] [2024-11-08 18:38:39,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:38:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:38:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:38:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:38:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:38:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:38:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:38:40,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:40,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833966506] [2024-11-08 18:38:40,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833966506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:38:40,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73859033] [2024-11-08 18:38:40,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:40,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:40,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:40,277 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:38:40,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:38:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:40,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:38:40,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:38:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:38:40,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:38:40,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73859033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:38:40,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:38:40,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-08 18:38:40,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263833767] [2024-11-08 18:38:40,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:38:40,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:38:40,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:40,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:38:40,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:38:40,670 INFO L87 Difference]: Start difference. First operand 228 states and 342 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-08 18:38:40,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:40,736 INFO L93 Difference]: Finished difference Result 228 states and 342 transitions. [2024-11-08 18:38:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:38:40,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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 74 [2024-11-08 18:38:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:40,741 INFO L225 Difference]: With dead ends: 228 [2024-11-08 18:38:40,742 INFO L226 Difference]: Without dead ends: 227 [2024-11-08 18:38:40,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:38:40,744 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 105 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:40,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 639 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:38:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-08 18:38:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-11-08 18:38:40,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 181 states have (on average 1.4972375690607735) internal successors, (271), 181 states have internal predecessors, (271), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 18:38:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 341 transitions. [2024-11-08 18:38:40,794 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 341 transitions. Word has length 74 [2024-11-08 18:38:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:40,797 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 341 transitions. [2024-11-08 18:38:40,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 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) [2024-11-08 18:38:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 341 transitions. [2024-11-08 18:38:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 18:38:40,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:40,800 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-08 18:38:40,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:38:41,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:41,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:41,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:41,002 INFO L85 PathProgramCache]: Analyzing trace with hash 413768463, now seen corresponding path program 1 times [2024-11-08 18:38:41,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:41,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934549920] [2024-11-08 18:38:41,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:41,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:38:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:38:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:38:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:38:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:38:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:38:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:38:41,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:41,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934549920] [2024-11-08 18:38:41,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934549920] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:38:41,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088134938] [2024-11-08 18:38:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:41,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:41,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:38:41,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:38:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:41,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:38:41,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:38:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 18:38:41,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:38:41,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088134938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:38:41,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:38:41,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-08 18:38:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807032571] [2024-11-08 18:38:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:38:41,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:38:41,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:41,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:38:41,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:38:41,634 INFO L87 Difference]: Start difference. First operand 227 states and 341 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-08 18:38:41,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:41,705 INFO L93 Difference]: Finished difference Result 308 states and 473 transitions. [2024-11-08 18:38:41,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:38:41,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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 75 [2024-11-08 18:38:41,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:41,709 INFO L225 Difference]: With dead ends: 308 [2024-11-08 18:38:41,709 INFO L226 Difference]: Without dead ends: 307 [2024-11-08 18:38:41,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:38:41,711 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 99 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:41,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 796 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:38:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-08 18:38:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2024-11-08 18:38:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 238 states have (on average 1.495798319327731) internal successors, (356), 238 states have internal predecessors, (356), 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) [2024-11-08 18:38:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 472 transitions. [2024-11-08 18:38:41,745 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 472 transitions. Word has length 75 [2024-11-08 18:38:41,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:41,746 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 472 transitions. [2024-11-08 18:38:41,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-11-08 18:38:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 472 transitions. [2024-11-08 18:38:41,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:38:41,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:38:41,751 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:38:41,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:38:41,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:41,952 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:38:41,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:38:41,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1676398606, now seen corresponding path program 1 times [2024-11-08 18:38:41,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:38:41,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351895219] [2024-11-08 18:38:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:41,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:38:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-08 18:38:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 18:38:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 18:38:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:38:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-08 18:38:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 18:38:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 18:38:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:38:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-08 18:38:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-08 18:38:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 18:38:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-08 18:38:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 18:38:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 18:38:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-08 18:38:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 18:38:42,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:38:42,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351895219] [2024-11-08 18:38:42,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351895219] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:38:42,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562613411] [2024-11-08 18:38:42,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:38:42,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:38:42,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:38:42,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:38:42,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:38:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:38:42,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:38:42,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:38:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 18:38:43,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:38:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 18:38:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562613411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:38:43,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:38:43,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2024-11-08 18:38:43,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515842941] [2024-11-08 18:38:43,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:38:43,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 18:38:43,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:38:43,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 18:38:43,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:38:43,370 INFO L87 Difference]: Start difference. First operand 307 states and 472 transitions. Second operand has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 18:38:43,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:38:43,874 INFO L93 Difference]: Finished difference Result 714 states and 1106 transitions. [2024-11-08 18:38:43,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 18:38:43,875 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) Word has length 138 [2024-11-08 18:38:43,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:38:43,876 INFO L225 Difference]: With dead ends: 714 [2024-11-08 18:38:43,876 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:38:43,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 18:38:43,880 INFO L432 NwaCegarLoop]: 262 mSDtfsCounter, 637 mSDsluCounter, 2018 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 2280 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:38:43,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 2280 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:38:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:38:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:38:43,882 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) [2024-11-08 18:38:43,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:38:43,883 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2024-11-08 18:38:43,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:38:43,884 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:38:43,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.692307692307692) internal successors, (178), 14 states have internal predecessors, (178), 7 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 6 states have call predecessors, (37), 7 states have call successors, (37) [2024-11-08 18:38:43,884 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:38:43,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:38:43,888 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:38:43,889 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:38:43,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 18:38:44,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-08 18:38:44,094 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 18:38:44,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:38:45,239 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:38:45,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:38:45 BoogieIcfgContainer [2024-11-08 18:38:45,306 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:38:45,307 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:38:45,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:38:45,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:38:45,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:38:35" (3/4) ... [2024-11-08 18:38:45,315 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:38:45,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_manual_selection_history [2024-11-08 18:38:45,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flip_the_side [2024-11-08 18:38:45,325 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side2_failed_history [2024-11-08 18:38:45,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2024-11-08 18:38:45,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_side1_failed_history [2024-11-08 18:38:45,326 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 18:38:45,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_active_side_history [2024-11-08 18:38:45,341 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-08 18:38:45,343 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 18:38:45,344 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:38:45,346 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:38:45,592 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:38:45,597 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:38:45,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:38:45,598 INFO L158 Benchmark]: Toolchain (without parser) took 12210.08ms. Allocated memory was 134.2MB in the beginning and 243.3MB in the end (delta: 109.1MB). Free memory was 90.7MB in the beginning and 127.7MB in the end (delta: -37.0MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,598 INFO L158 Benchmark]: CDTParser took 1.92ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:38:45,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.36ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 70.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.21ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 66.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,599 INFO L158 Benchmark]: Boogie Preprocessor took 120.48ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 61.8MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,600 INFO L158 Benchmark]: RCFGBuilder took 1471.89ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 61.8MB in the beginning and 140.1MB in the end (delta: -78.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,600 INFO L158 Benchmark]: TraceAbstraction took 9567.21ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 140.1MB in the beginning and 140.3MB in the end (delta: -160.4kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,600 INFO L158 Benchmark]: Witness Printer took 290.25ms. Allocated memory is still 243.3MB. Free memory was 140.3MB in the beginning and 127.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:38:45,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92ms. Allocated memory is still 134.2MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.36ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 70.1MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.21ms. Allocated memory is still 134.2MB. Free memory was 70.1MB in the beginning and 66.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.48ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 61.8MB in the end (delta: 4.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1471.89ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 61.8MB in the beginning and 140.1MB in the end (delta: -78.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 9567.21ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 140.1MB in the beginning and 140.3MB in the end (delta: -160.4kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 290.25ms. Allocated memory is still 243.3MB. Free memory was 140.3MB in the beginning and 127.7MB in the end (delta: 12.6MB). 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: 598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 598]: 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, 184 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1728 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1626 mSDsluCounter, 5423 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3866 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 361 IncrementalHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 1557 mSDtfsCounter, 361 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 707 GetRequests, 665 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1062 ConstructedInterpolants, 0 QuantifiedInterpolants, 1768 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2514 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 245/333 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: 574]: Loop Invariant Derived loop invariant: (((0 <= i2) && (i2 <= 2147483646)) && (((short) nomsg + 1) <= 0)) - ProcedureContractResult [Line: 173]: Procedure Contract for read_manual_selection_history Derived contract for procedure read_manual_selection_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 236]: Procedure Contract for flip_the_side Derived contract for procedure flip_the_side. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 113]: Procedure Contract for read_side2_failed_history Derived contract for procedure read_side2_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 604]: Procedure Contract for assert Derived contract for procedure assert. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 83]: Procedure Contract for read_side1_failed_history Derived contract for procedure read_side1_failed_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 57]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((short) nomsg + 1) <= 0) Ensures: (((cond != 0) && (((short) nomsg + 1) <= 0)) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) - ProcedureContractResult [Line: 143]: Procedure Contract for read_active_side_history Derived contract for procedure read_active_side_history. Requires: (((short) nomsg + 1) <= 0) Ensures: ((((short) nomsg + 1) <= 0) && (((((((((((((((((((((((((((((((((((((((((nomsg == \old(nomsg)) && (cs1 == \old(cs1))) && (cs1_old == \old(cs1_old))) && (cs1_new == \old(cs1_new))) && (cs2 == \old(cs2))) && (cs2_old == \old(cs2_old))) && (cs2_new == \old(cs2_new))) && (s1s2 == \old(s1s2))) && (s1s2_old == \old(s1s2_old))) && (s1s2_new == \old(s1s2_new))) && (s1s1 == \old(s1s1))) && (s1s1_old == \old(s1s1_old))) && (s1s1_new == \old(s1s1_new))) && (s2s1 == \old(s2s1))) && (s2s1_old == \old(s2s1_old))) && (s2s1_new == \old(s2s1_new))) && (s2s2 == \old(s2s2))) && (s2s2_old == \old(s2s2_old))) && (s2s2_new == \old(s2s2_new))) && (s1p == \old(s1p))) && (s1p_old == \old(s1p_old))) && (s1p_new == \old(s1p_new))) && (s2p == \old(s2p))) && (s2p_old == \old(s2p_old))) && (s2p_new == \old(s2p_new))) && (side1Failed == \old(side1Failed))) && (side2Failed == \old(side2Failed))) && (side1_written == \old(side1_written))) && (side2_written == \old(side2_written))) && (side1Failed_History_0 == \old(side1Failed_History_0))) && (side1Failed_History_1 == \old(side1Failed_History_1))) && (side1Failed_History_2 == \old(side1Failed_History_2))) && (side2Failed_History_0 == \old(side2Failed_History_0))) && (side2Failed_History_1 == \old(side2Failed_History_1))) && (side2Failed_History_2 == \old(side2Failed_History_2))) && (active_side_History_0 == \old(active_side_History_0))) && (active_side_History_1 == \old(active_side_History_1))) && (active_side_History_2 == \old(active_side_History_2))) && (manual_selection_History_0 == \old(manual_selection_History_0))) && (manual_selection_History_1 == \old(manual_selection_History_1))) && (manual_selection_History_2 == \old(manual_selection_History_2)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:38:45,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0fd2005-c3af-4f3a-8fff-479b9b35e77c/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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