./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/loops-crafted-1/discover_list.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/loops-crafted-1/discover_list.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b98ece0168fde0a9f5db629b0589397995dd8e9526df8a73dd8042a19f16d948 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 18:54:19,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 18:54:19,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-22 18:54:19,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 18:54:19,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 18:54:19,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 18:54:19,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 18:54:19,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 18:54:19,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 18:54:19,788 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 18:54:19,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 18:54:19,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 18:54:19,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 18:54:19,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 18:54:19,791 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 18:54:19,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 18:54:19,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 18:54:19,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 18:54:19,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 18:54:19,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 18:54:19,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 18:54:19,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 18:54:19,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 18:54:19,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 18:54:19,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 18:54:19,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 18:54:19,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 18:54:19,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 18:54:19,795 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 18:54:19,795 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 18:54:19,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 18:54:19,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:54:19,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 18:54:19,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 18:54:19,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 18:54:19,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 18:54:19,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 18:54:19,798 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b98ece0168fde0a9f5db629b0589397995dd8e9526df8a73dd8042a19f16d948 [2023-11-22 18:54:20,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 18:54:20,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 18:54:20,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 18:54:20,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 18:54:20,027 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 18:54:20,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/discover_list.c [2023-11-22 18:54:21,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 18:54:21,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 18:54:21,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/discover_list.c [2023-11-22 18:54:21,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa224c502/f09848cff5964938a59bfc97ab3e284e/FLAG82825e2ef [2023-11-22 18:54:21,305 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa224c502/f09848cff5964938a59bfc97ab3e284e [2023-11-22 18:54:21,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 18:54:21,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 18:54:21,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 18:54:21,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 18:54:21,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 18:54:21,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ff500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21, skipping insertion in model container [2023-11-22 18:54:21,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,361 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 18:54:21,497 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/discover_list.c[4997,5010] [2023-11-22 18:54:21,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:54:21,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 18:54:21,597 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/discover_list.c[4997,5010] [2023-11-22 18:54:21,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 18:54:21,740 WARN L675 CHandler]: The function smp_send_req is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:54:21,741 WARN L675 CHandler]: The function toupper is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:54:21,742 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 18:54:21,747 INFO L206 MainTranslator]: Completed translation [2023-11-22 18:54:21,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21 WrapperNode [2023-11-22 18:54:21,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 18:54:21,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 18:54:21,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 18:54:21,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 18:54:21,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,833 INFO L138 Inliner]: procedures = 36, calls = 642, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 508 [2023-11-22 18:54:21,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 18:54:21,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 18:54:21,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 18:54:21,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 18:54:21,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,853 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,867 INFO L189 HeapSplitter]: Split 191 memory accesses to 11 slices as follows [2, 10, 0, 5, 8, 5, 41, 4, 5, 99, 12] [2023-11-22 18:54:21,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 18:54:21,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 18:54:21,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 18:54:21,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 18:54:21,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (1/1) ... [2023-11-22 18:54:21,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 18:54:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:21,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 18:54:21,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 18:54:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 18:54:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 18:54:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-22 18:54:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-22 18:54:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-22 18:54:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-22 18:54:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-22 18:54:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-22 18:54:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-22 18:54:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-22 18:54:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-22 18:54:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-22 18:54:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-22 18:54:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-22 18:54:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-22 18:54:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure smp_send_req [2023-11-22 18:54:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-22 18:54:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-22 18:54:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-22 18:54:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-22 18:54:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-22 18:54:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-22 18:54:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-22 18:54:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-22 18:54:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-22 18:54:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-22 18:54:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-22 18:54:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-22 18:54:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-22 18:54:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-22 18:54:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-22 18:54:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-22 18:54:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-22 18:54:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-22 18:54:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-22 18:54:22,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-22 18:54:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-22 18:54:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-22 18:54:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 18:54:22,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 18:54:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 18:54:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-22 18:54:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-22 18:54:22,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 18:54:22,139 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 18:54:22,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 18:54:22,547 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 18:54:22,600 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 18:54:22,600 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-22 18:54:22,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:54:22 BoogieIcfgContainer [2023-11-22 18:54:22,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 18:54:22,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 18:54:22,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 18:54:22,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 18:54:22,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 06:54:21" (1/3) ... [2023-11-22 18:54:22,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df482fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:54:22, skipping insertion in model container [2023-11-22 18:54:22,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 06:54:21" (2/3) ... [2023-11-22 18:54:22,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df482fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 06:54:22, skipping insertion in model container [2023-11-22 18:54:22,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:54:22" (3/3) ... [2023-11-22 18:54:22,608 INFO L112 eAbstractionObserver]: Analyzing ICFG discover_list.c [2023-11-22 18:54:22,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 18:54:22,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 18:54:22,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 18:54:22,667 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@7edcca0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 18:54:22,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 18:54:22,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 62 states have internal predecessors, (97), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:22,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-22 18:54:22,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:22,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:22,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:22,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:22,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1350102709, now seen corresponding path program 1 times [2023-11-22 18:54:22,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:22,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090048797] [2023-11-22 18:54:22,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:22,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-22 18:54:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:23,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:23,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090048797] [2023-11-22 18:54:23,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090048797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:54:23,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 18:54:23,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 18:54:23,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781105901] [2023-11-22 18:54:23,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:54:23,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 18:54:23,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:23,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 18:54:23,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-22 18:54:23,281 INFO L87 Difference]: Start difference. First operand has 74 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 62 states have internal predecessors, (97), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 18:54:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:23,432 INFO L93 Difference]: Finished difference Result 144 states and 225 transitions. [2023-11-22 18:54:23,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-22 18:54:23,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2023-11-22 18:54:23,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:23,439 INFO L225 Difference]: With dead ends: 144 [2023-11-22 18:54:23,440 INFO L226 Difference]: Without dead ends: 66 [2023-11-22 18:54:23,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-22 18:54:23,444 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 25 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:23,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 417 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-22 18:54:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-22 18:54:23,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2023-11-22 18:54:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2023-11-22 18:54:23,473 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 33 [2023-11-22 18:54:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:23,473 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2023-11-22 18:54:23,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 18:54:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-22 18:54:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-22 18:54:23,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:23,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:23,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 18:54:23,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:23,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 97781204, now seen corresponding path program 1 times [2023-11-22 18:54:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:23,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166101760] [2023-11-22 18:54:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-22 18:54:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:23,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166101760] [2023-11-22 18:54:23,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166101760] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017846787] [2023-11-22 18:54:23,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:23,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:23,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-22 18:54:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:23,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-22 18:54:23,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:23,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:24,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017846787] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:24,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:24,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2023-11-22 18:54:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425432523] [2023-11-22 18:54:24,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:24,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-22 18:54:24,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-22 18:54:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-22 18:54:24,023 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:24,233 INFO L93 Difference]: Finished difference Result 120 states and 164 transitions. [2023-11-22 18:54:24,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-22 18:54:24,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2023-11-22 18:54:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:24,235 INFO L225 Difference]: With dead ends: 120 [2023-11-22 18:54:24,235 INFO L226 Difference]: Without dead ends: 69 [2023-11-22 18:54:24,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2023-11-22 18:54:24,236 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 29 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:24,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 300 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-22 18:54:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-22 18:54:24,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2023-11-22 18:54:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 55 states have internal predecessors, (73), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2023-11-22 18:54:24,243 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 34 [2023-11-22 18:54:24,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:24,243 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2023-11-22 18:54:24,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 10 states have internal predecessors, (38), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2023-11-22 18:54:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-22 18:54:24,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:24,244 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:24,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-22 18:54:24,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:24,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:24,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:24,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1511341685, now seen corresponding path program 2 times [2023-11-22 18:54:24,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:24,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751489760] [2023-11-22 18:54:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-22 18:54:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:24,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:24,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:24,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751489760] [2023-11-22 18:54:24,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751489760] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:24,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447406502] [2023-11-22 18:54:24,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-22 18:54:24,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:24,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:24,823 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:24,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 18:54:25,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-22 18:54:25,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 18:54:25,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-22 18:54:25,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-22 18:54:25,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-22 18:54:25,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447406502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 18:54:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-22 18:54:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-11-22 18:54:25,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989472004] [2023-11-22 18:54:25,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 18:54:25,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 18:54:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 18:54:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2023-11-22 18:54:25,128 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-22 18:54:25,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:25,167 INFO L93 Difference]: Finished difference Result 99 states and 132 transitions. [2023-11-22 18:54:25,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 18:54:25,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2023-11-22 18:54:25,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:25,168 INFO L225 Difference]: With dead ends: 99 [2023-11-22 18:54:25,168 INFO L226 Difference]: Without dead ends: 68 [2023-11-22 18:54:25,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2023-11-22 18:54:25,169 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:25,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 237 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-22 18:54:25,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-22 18:54:25,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-22 18:54:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 56 states have internal predecessors, (74), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2023-11-22 18:54:25,175 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 37 [2023-11-22 18:54:25,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:25,175 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2023-11-22 18:54:25,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-22 18:54:25,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2023-11-22 18:54:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-22 18:54:25,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:25,176 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:25,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-22 18:54:25,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-22 18:54:25,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:25,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:25,389 INFO L85 PathProgramCache]: Analyzing trace with hash 308569556, now seen corresponding path program 1 times [2023-11-22 18:54:25,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160415732] [2023-11-22 18:54:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:25,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-22 18:54:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-22 18:54:25,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160415732] [2023-11-22 18:54:25,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160415732] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:25,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513830215] [2023-11-22 18:54:25,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:25,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:25,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:25,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:25,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-22 18:54:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:25,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-22 18:54:25,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 18:54:25,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-22 18:54:25,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513830215] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:25,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:25,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 5] total 17 [2023-11-22 18:54:25,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575518906] [2023-11-22 18:54:25,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:25,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-22 18:54:25,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:25,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-22 18:54:25,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-11-22 18:54:25,964 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand has 17 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:26,333 INFO L93 Difference]: Finished difference Result 125 states and 170 transitions. [2023-11-22 18:54:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-22 18:54:26,334 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2023-11-22 18:54:26,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:26,335 INFO L225 Difference]: With dead ends: 125 [2023-11-22 18:54:26,335 INFO L226 Difference]: Without dead ends: 72 [2023-11-22 18:54:26,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2023-11-22 18:54:26,336 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 33 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 802 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:26,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 802 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-22 18:54:26,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-22 18:54:26,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-22 18:54:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.3) internal successors, (78), 60 states have internal predecessors, (78), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 94 transitions. [2023-11-22 18:54:26,356 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 94 transitions. Word has length 38 [2023-11-22 18:54:26,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:26,357 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 94 transitions. [2023-11-22 18:54:26,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 4.071428571428571) internal successors, (57), 15 states have internal predecessors, (57), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:26,357 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-22 18:54:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-22 18:54:26,358 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:26,358 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:26,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-22 18:54:26,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:26,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:26,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:26,569 INFO L85 PathProgramCache]: Analyzing trace with hash -856611244, now seen corresponding path program 2 times [2023-11-22 18:54:26,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:26,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435852702] [2023-11-22 18:54:26,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:26,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:26,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-22 18:54:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-22 18:54:26,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435852702] [2023-11-22 18:54:26,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435852702] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047231526] [2023-11-22 18:54:26,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-22 18:54:26,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:26,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:26,856 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:26,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-22 18:54:27,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-22 18:54:27,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 18:54:27,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-22 18:54:27,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 18:54:27,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:27,545 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-22 18:54:27,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047231526] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:27,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:27,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 8] total 28 [2023-11-22 18:54:27,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507571985] [2023-11-22 18:54:27,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:27,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-22 18:54:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-22 18:54:27,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2023-11-22 18:54:27,549 INFO L87 Difference]: Start difference. First operand 72 states and 94 transitions. Second operand has 28 states, 25 states have (on average 2.72) internal successors, (68), 26 states have internal predecessors, (68), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:28,190 INFO L93 Difference]: Finished difference Result 135 states and 183 transitions. [2023-11-22 18:54:28,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-22 18:54:28,190 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 2.72) internal successors, (68), 26 states have internal predecessors, (68), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2023-11-22 18:54:28,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:28,191 INFO L225 Difference]: With dead ends: 135 [2023-11-22 18:54:28,191 INFO L226 Difference]: Without dead ends: 79 [2023-11-22 18:54:28,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=317, Invalid=2133, Unknown=0, NotChecked=0, Total=2450 [2023-11-22 18:54:28,193 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 52 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:28,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1181 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-22 18:54:28,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-22 18:54:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-22 18:54:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 67 states have internal predecessors, (85), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2023-11-22 18:54:28,203 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 42 [2023-11-22 18:54:28,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:28,204 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2023-11-22 18:54:28,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 2.72) internal successors, (68), 26 states have internal predecessors, (68), 2 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-22 18:54:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-22 18:54:28,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:28,208 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:28,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-22 18:54:28,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:28,423 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:28,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:28,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1738393013, now seen corresponding path program 3 times [2023-11-22 18:54:28,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:28,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808415792] [2023-11-22 18:54:28,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-22 18:54:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:28,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:28,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808415792] [2023-11-22 18:54:28,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808415792] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:28,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107415754] [2023-11-22 18:54:28,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-22 18:54:28,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:28,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:28,769 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:28,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-22 18:54:29,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-22 18:54:29,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 18:54:29,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-22 18:54:29,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:29,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:29,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107415754] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:29,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:29,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 27 [2023-11-22 18:54:29,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060512482] [2023-11-22 18:54:29,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:29,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-22 18:54:29,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:29,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-22 18:54:29,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2023-11-22 18:54:29,677 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 27 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 25 states have internal predecessors, (55), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:30,362 INFO L93 Difference]: Finished difference Result 148 states and 195 transitions. [2023-11-22 18:54:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-22 18:54:30,363 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 25 states have internal predecessors, (55), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-11-22 18:54:30,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:30,363 INFO L225 Difference]: With dead ends: 148 [2023-11-22 18:54:30,364 INFO L226 Difference]: Without dead ends: 87 [2023-11-22 18:54:30,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2023-11-22 18:54:30,365 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 43 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:30,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 743 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-22 18:54:30,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-22 18:54:30,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-22 18:54:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 75 states have (on average 1.24) internal successors, (93), 75 states have internal predecessors, (93), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:30,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 109 transitions. [2023-11-22 18:54:30,373 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 109 transitions. Word has length 49 [2023-11-22 18:54:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:30,374 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 109 transitions. [2023-11-22 18:54:30,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 24 states have (on average 2.2916666666666665) internal successors, (55), 25 states have internal predecessors, (55), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 109 transitions. [2023-11-22 18:54:30,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-22 18:54:30,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:30,375 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:30,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-22 18:54:30,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:30,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:30,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:30,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1849263413, now seen corresponding path program 4 times [2023-11-22 18:54:30,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:30,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307596372] [2023-11-22 18:54:30,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:30,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-22 18:54:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:31,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:31,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307596372] [2023-11-22 18:54:31,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307596372] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:31,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297889853] [2023-11-22 18:54:31,254 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-22 18:54:31,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:31,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:31,255 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:31,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-22 18:54:31,525 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-22 18:54:31,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 18:54:31,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-22 18:54:31,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:31,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:32,627 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:32,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297889853] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:32,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:32,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 51 [2023-11-22 18:54:32,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890365113] [2023-11-22 18:54:32,628 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:32,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-11-22 18:54:32,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:32,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-11-22 18:54:32,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=1961, Unknown=0, NotChecked=0, Total=2550 [2023-11-22 18:54:32,630 INFO L87 Difference]: Start difference. First operand 87 states and 109 transitions. Second operand has 51 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 49 states have internal predecessors, (79), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:40,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:54:40,385 INFO L93 Difference]: Finished difference Result 164 states and 219 transitions. [2023-11-22 18:54:40,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-11-22 18:54:40,385 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 49 states have internal predecessors, (79), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2023-11-22 18:54:40,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:54:40,386 INFO L225 Difference]: With dead ends: 164 [2023-11-22 18:54:40,386 INFO L226 Difference]: Without dead ends: 103 [2023-11-22 18:54:40,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 953 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1411, Invalid=5729, Unknown=0, NotChecked=0, Total=7140 [2023-11-22 18:54:40,388 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 70 mSDsluCounter, 1176 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-22 18:54:40,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 1247 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-22 18:54:40,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-22 18:54:40,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-22 18:54:40,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 91 states have (on average 1.2087912087912087) internal successors, (110), 91 states have internal predecessors, (110), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:54:40,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 126 transitions. [2023-11-22 18:54:40,398 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 126 transitions. Word has length 57 [2023-11-22 18:54:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:54:40,398 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 126 transitions. [2023-11-22 18:54:40,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 49 states have internal predecessors, (79), 2 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-22 18:54:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2023-11-22 18:54:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-22 18:54:40,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:54:40,400 INFO L195 NwaCegarLoop]: trace histogram [24, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:54:40,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-22 18:54:40,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:40,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:54:40,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:54:40,613 INFO L85 PathProgramCache]: Analyzing trace with hash -424073067, now seen corresponding path program 5 times [2023-11-22 18:54:40,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:54:40,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347417598] [2023-11-22 18:54:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:54:40,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:54:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:54:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 18:54:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:54:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-22 18:54:41,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:54:41,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347417598] [2023-11-22 18:54:41,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347417598] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:54:41,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608209105] [2023-11-22 18:54:41,169 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-22 18:54:41,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:54:41,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:54:41,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:54:41,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-22 18:54:46,369 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-11-22 18:54:46,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-22 18:54:46,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-22 18:54:46,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:54:46,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-22 18:54:46,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-22 18:54:46,852 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:54:46,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-22 18:54:46,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:54:46,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-22 18:54:47,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:54:47,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 58 [2023-11-22 18:54:47,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:54:47,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 70 [2023-11-22 18:54:47,184 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2023-11-22 18:54:47,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 68 treesize of output 82 [2023-11-22 18:54:47,354 INFO L349 Elim1Store]: treesize reduction 174, result has 26.9 percent of original size [2023-11-22 18:54:47,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 77 treesize of output 94 [2023-11-22 18:54:51,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:54:51,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:54:51,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 92 treesize of output 28 [2023-11-22 18:54:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 1 proven. 299 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-22 18:54:51,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:54:53,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2023-11-22 18:54:53,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2023-11-22 18:54:53,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 822 [2023-11-22 18:54:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 272 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-22 18:54:54,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608209105] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:54:54,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:54:54,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 30, 27] total 68 [2023-11-22 18:54:54,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70547478] [2023-11-22 18:54:54,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:54:54,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2023-11-22 18:54:54,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:54:54,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2023-11-22 18:54:54,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=4244, Unknown=2, NotChecked=0, Total=4556 [2023-11-22 18:54:54,740 INFO L87 Difference]: Start difference. First operand 103 states and 126 transitions. Second operand has 68 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 66 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-22 18:55:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:55:03,307 INFO L93 Difference]: Finished difference Result 160 states and 201 transitions. [2023-11-22 18:55:03,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-11-22 18:55:03,309 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 66 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2023-11-22 18:55:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:55:03,312 INFO L225 Difference]: With dead ends: 160 [2023-11-22 18:55:03,312 INFO L226 Difference]: Without dead ends: 104 [2023-11-22 18:55:03,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=648, Invalid=10689, Unknown=5, NotChecked=0, Total=11342 [2023-11-22 18:55:03,325 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 144 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 2198 SdHoareTripleChecker+Invalid, 2232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-22 18:55:03,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 2198 Invalid, 2232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2210 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-22 18:55:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-22 18:55:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-22 18:55:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 92 states have (on average 1.1956521739130435) internal successors, (110), 92 states have internal predecessors, (110), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-22 18:55:03,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2023-11-22 18:55:03,387 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 67 [2023-11-22 18:55:03,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:55:03,389 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2023-11-22 18:55:03,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 1.7761194029850746) internal successors, (119), 66 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-22 18:55:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2023-11-22 18:55:03,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-22 18:55:03,390 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 18:55:03,390 INFO L195 NwaCegarLoop]: trace histogram [24, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 18:55:03,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-22 18:55:03,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:55:03,600 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 18:55:03,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 18:55:03,601 INFO L85 PathProgramCache]: Analyzing trace with hash 462886642, now seen corresponding path program 1 times [2023-11-22 18:55:03,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 18:55:03,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131341269] [2023-11-22 18:55:03,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:55:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 18:55:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:55:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 18:55:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:55:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-22 18:55:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:55:04,136 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-22 18:55:04,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 18:55:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131341269] [2023-11-22 18:55:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131341269] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 18:55:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019596562] [2023-11-22 18:55:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 18:55:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 18:55:04,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 18:55:04,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 18:55:04,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-22 18:55:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 18:55:04,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-22 18:55:04,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 18:55:04,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-22 18:55:04,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-11-22 18:55:04,838 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:55:04,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2023-11-22 18:55:04,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:55:04,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2023-11-22 18:55:04,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:55:04,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 58 [2023-11-22 18:55:05,040 INFO L349 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2023-11-22 18:55:05,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 59 treesize of output 70 [2023-11-22 18:55:05,180 INFO L349 Elim1Store]: treesize reduction 148, result has 27.1 percent of original size [2023-11-22 18:55:05,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 68 treesize of output 82 [2023-11-22 18:55:09,348 INFO L349 Elim1Store]: treesize reduction 214, result has 23.0 percent of original size [2023-11-22 18:55:09,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 77 treesize of output 94 [2023-11-22 18:55:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 18:55:13,657 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 18:55:13,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 25 [2023-11-22 18:55:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 1 proven. 298 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-22 18:55:13,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 18:55:14,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2023-11-22 18:55:15,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 38 [2023-11-22 18:55:15,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 474 treesize of output 470 [2023-11-22 18:55:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 24 proven. 272 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-22 18:55:16,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019596562] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 18:55:16,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 18:55:16,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 26] total 67 [2023-11-22 18:55:16,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66497689] [2023-11-22 18:55:16,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 18:55:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2023-11-22 18:55:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 18:55:16,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2023-11-22 18:55:16,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=4146, Unknown=2, NotChecked=0, Total=4422 [2023-11-22 18:55:16,398 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand has 67 states, 66 states have (on average 1.803030303030303) internal successors, (119), 65 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-22 18:55:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 18:55:24,021 INFO L93 Difference]: Finished difference Result 104 states and 126 transitions. [2023-11-22 18:55:24,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-22 18:55:24,021 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 66 states have (on average 1.803030303030303) internal successors, (119), 65 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 68 [2023-11-22 18:55:24,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 18:55:24,021 INFO L225 Difference]: With dead ends: 104 [2023-11-22 18:55:24,021 INFO L226 Difference]: Without dead ends: 0 [2023-11-22 18:55:24,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 83 SyntacticMatches, 4 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 735 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=508, Invalid=8043, Unknown=5, NotChecked=0, Total=8556 [2023-11-22 18:55:24,023 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 36 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-22 18:55:24,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 604 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-22 18:55:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-22 18:55:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-22 18:55:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-22 18:55:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-22 18:55:24,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2023-11-22 18:55:24,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 18:55:24,024 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-22 18:55:24,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 1.803030303030303) internal successors, (119), 65 states have internal predecessors, (119), 3 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-22 18:55:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-22 18:55:24,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-22 18:55:24,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-22 18:55:24,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-22 18:55:24,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-22 18:55:24,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-22 18:57:35,060 WARN L293 SmtUtils]: Spent 2.18m on a formula simplification. DAG size of input: 190 DAG size of output: 148 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-22 18:57:35,065 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-11-22 18:57:35,065 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 156) no Hoare annotation was computed. [2023-11-22 18:57:35,065 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 153 158) no Hoare annotation was computed. [2023-11-22 18:57:35,065 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 153 158) the Hoare annotation is: true [2023-11-22 18:57:35,065 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 153 158) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#5EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#4EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,066 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-22 18:57:35,066 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#7EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L895 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: (let ((.cse10 (not (= |#Ultimate.C_memset#7_#amount| 24))) (.cse14 (mod (+ |#Ultimate.C_memset#7_#t~loopctr200| 4) 4294967296)) (.cse7 (select |#memory_int#7| |#Ultimate.C_memset#7_#ptr.base|)) (.cse4 (mod |#Ultimate.C_memset#7_#amount| 4294967296))) (let ((.cse0 (<= 13 .cse4)) (.cse6 (= (select .cse7 (+ 21 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|)) (.cse1 (= (select .cse7 (+ 16 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|)) (.cse12 (or .cse10 (< 23 (mod (+ 2 |#Ultimate.C_memset#7_#t~loopctr200|) 4294967296)) (< .cse14 24))) (.cse5 (= (select .cse7 (+ 19 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|)) (.cse2 (= (select .cse7 (+ 18 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|)) (.cse13 (or .cse10 (< (mod |#Ultimate.C_memset#7_#t~loopctr200| 4294967296) 24))) (.cse8 (exists ((|v_#Ultimate.C_memset#7_#t~loopctr200_125| Int)) (and (<= (+ |v_#Ultimate.C_memset#7_#t~loopctr200_125| 1) |#Ultimate.C_memset#7_#t~loopctr200|) (= (select .cse7 (+ |#Ultimate.C_memset#7_#ptr.offset| |v_#Ultimate.C_memset#7_#t~loopctr200_125|)) |#Ultimate.C_memset#7_#value|) (<= 22 |v_#Ultimate.C_memset#7_#t~loopctr200_125|)))) (.cse3 (= (select .cse7 (+ 17 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|)) (.cse9 (= (select .cse7 (+ 20 |#Ultimate.C_memset#7_#ptr.offset|)) |#Ultimate.C_memset#7_#value|))) (or (= 6 |#Ultimate.C_memset#7_#t~loopctr200|) (and .cse0 (= 14 |#Ultimate.C_memset#7_#t~loopctr200|)) (= 16 |#Ultimate.C_memset#7_#t~loopctr200|) (and (= |#Ultimate.C_memset#7_#t~loopctr200| 0) (= |#memory_int#7| |old(#memory_int#7)|)) (= |#Ultimate.C_memset#7_#t~loopctr200| 15) (= |#Ultimate.C_memset#7_#t~loopctr200| 8) (and .cse1 (= 19 |#Ultimate.C_memset#7_#t~loopctr200|) .cse2 .cse3) (= 7 |#Ultimate.C_memset#7_#t~loopctr200|) (and .cse1 (= |#Ultimate.C_memset#7_#t~loopctr200| 18) .cse3) (< .cse4 5) (and .cse1 .cse5 .cse2 (= |#Ultimate.C_memset#7_#t~loopctr200| 20) .cse3) (= 2 |#Ultimate.C_memset#7_#t~loopctr200|) (= |#Ultimate.C_memset#7_#t~loopctr200| 4) (= |#Ultimate.C_memset#7_#t~loopctr200| 11) (= |#Ultimate.C_memset#7_#t~loopctr200| 12) (= |#Ultimate.C_memset#7_#t~loopctr200| 10) (= 3 |#Ultimate.C_memset#7_#t~loopctr200|) (and .cse6 .cse1 .cse5 (exists ((|v_#Ultimate.C_memset#7_#t~loopctr200_125| Int) (|v_#Ultimate.C_memset#7_#t~loopctr200_126| Int)) (and (= (select .cse7 (+ |#Ultimate.C_memset#7_#ptr.offset| |v_#Ultimate.C_memset#7_#t~loopctr200_126|)) |#Ultimate.C_memset#7_#value|) (= (select .cse7 (+ |#Ultimate.C_memset#7_#ptr.offset| |v_#Ultimate.C_memset#7_#t~loopctr200_125|)) |#Ultimate.C_memset#7_#value|) (<= (+ |v_#Ultimate.C_memset#7_#t~loopctr200_125| 1) |v_#Ultimate.C_memset#7_#t~loopctr200_126|) (<= 22 |v_#Ultimate.C_memset#7_#t~loopctr200_125|))) .cse2 .cse8 .cse3 .cse9) (and .cse1 (= |#Ultimate.C_memset#7_#t~loopctr200| 17)) (and (= |#Ultimate.C_memset#7_#t~loopctr200| 13) .cse0) (and (= 21 |#Ultimate.C_memset#7_#t~loopctr200|) .cse1 .cse5 .cse2 .cse3 .cse9) (= 5 |#Ultimate.C_memset#7_#t~loopctr200|) (= 9 |#Ultimate.C_memset#7_#t~loopctr200|) (= |#Ultimate.C_memset#7_#t~loopctr200| 1) (let ((.cse11 (mod (+ 5 |#Ultimate.C_memset#7_#t~loopctr200|) 4294967296))) (and (or .cse10 (< 23 .cse11) (< (mod (+ 7 |#Ultimate.C_memset#7_#t~loopctr200|) 4294967296) 24)) .cse6 .cse1 .cse12 .cse5 .cse2 (or .cse10 (< (mod (+ |#Ultimate.C_memset#7_#t~loopctr200| 1) 4294967296) 24)) (or .cse10 (< .cse11 24) (< 23 (mod (+ 3 |#Ultimate.C_memset#7_#t~loopctr200|) 4294967296))) .cse13 .cse3 .cse9 (exists ((|v_#Ultimate.C_memset#7_#t~loopctr200_203| Int)) (and (<= 21 |v_#Ultimate.C_memset#7_#t~loopctr200_203|) (= (select .cse7 (+ |#Ultimate.C_memset#7_#ptr.offset| |v_#Ultimate.C_memset#7_#t~loopctr200_203|)) |#Ultimate.C_memset#7_#value|) (<= (+ |v_#Ultimate.C_memset#7_#t~loopctr200_203| 1) |#Ultimate.C_memset#7_#t~loopctr200|))))) (and .cse6 .cse1 .cse12 .cse5 .cse2 (or (< (mod (+ 6 |#Ultimate.C_memset#7_#t~loopctr200|) 4294967296) 24) (< 23 .cse14)) .cse13 .cse8 .cse3 .cse9)))) [2023-11-22 18:57:35,070 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (or (< (mod |#Ultimate.C_memset#7_#amount| 4294967296) 5) (= |#memory_int#7| |old(#memory_int#7)|)) [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#6EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#1EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,070 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#0EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#3EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#2EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,071 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#10EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#9EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memset#8EXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 433) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point L432-2(lines 432 433) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2023-11-22 18:57:35,072 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: false [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 444) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 186) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 467) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L433-2(line 433) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L433-4(line 433) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L895 garLoopResultBuilder]: At program point L202(line 202) the Hoare annotation is: false [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L202-1(line 202) no Hoare annotation was computed. [2023-11-22 18:57:35,073 INFO L899 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L895 garLoopResultBuilder]: At program point L194(line 194) the Hoare annotation is: false [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L450-3(lines 450 458) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 210) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L426(lines 426 427) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 196 220) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L426-2(lines 426 427) no Hoare annotation was computed. [2023-11-22 18:57:35,074 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 487) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 220) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L895 garLoopResultBuilder]: At program point L195-3(lines 195 220) the Hoare annotation is: false [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L195-4(lines 195 220) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L895 garLoopResultBuilder]: At program point L162-4(lines 162 166) the Hoare annotation is: false [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L162-5(lines 162 166) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 479) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: false [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2023-11-22 18:57:35,075 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 469) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (= |ULTIMATE.start_do_discover_list_~#smp_rr~0#1.offset| 0) [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L435-1(line 435) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point smp_get_func_def_resp_len_returnLabel#1(lines 159 168) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L460(line 460) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: false [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L204-1(line 204) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L460-2(lines 460 475) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 429) no Hoare annotation was computed. [2023-11-22 18:57:35,076 INFO L899 garLoopResultBuilder]: For program point L428-2(lines 428 429) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 165) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L445-2(lines 445 448) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 473) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 440) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 465) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 222) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point L462-2(lines 462 465) no Hoare annotation was computed. [2023-11-22 18:57:35,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 208) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 200) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L895 garLoopResultBuilder]: At program point L199-2(lines 199 200) the Hoare annotation is: false [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 483) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point do_discover_list_returnLabel#1(lines 414 489) no Hoare annotation was computed. [2023-11-22 18:57:35,078 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: false [2023-11-22 18:57:35,078 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2023-11-22 18:57:35,081 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1] [2023-11-22 18:57:35,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-22 18:57:35,103 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int, v_#Ultimate.C_memset#7_#t~loopctr200_126 : int :: ((#memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_126] == #value && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= v_#Ultimate.C_memset#7_#t~loopctr200_126) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int :: (v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= #t~loopctr200 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated [2023-11-22 18:57:35,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,122 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_203 : int :: (21 <= v_#Ultimate.C_memset#7_#t~loopctr200_203 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_203] == #value) && v_#Ultimate.C_memset#7_#t~loopctr200_203 + 1 <= #t~loopctr200) could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int :: (v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= #t~loopctr200 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated [2023-11-22 18:57:35,123 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated [2023-11-22 18:57:35,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 06:57:35 BoogieIcfgContainer [2023-11-22 18:57:35,124 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-22 18:57:35,124 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-22 18:57:35,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-22 18:57:35,125 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-22 18:57:35,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 06:54:22" (3/4) ... [2023-11-22 18:57:35,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-22 18:57:35,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-22 18:57:35,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2023-11-22 18:57:35,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2023-11-22 18:57:35,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2023-11-22 18:57:35,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-22 18:57:35,145 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-22 18:57:35,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-22 18:57:35,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-22 18:57:35,147 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-22 18:57:35,276 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-22 18:57:35,276 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2023-11-22 18:57:35,276 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-22 18:57:35,277 INFO L158 Benchmark]: Toolchain (without parser) took 193968.06ms. Allocated memory was 167.8MB in the beginning and 369.1MB in the end (delta: 201.3MB). Free memory was 96.3MB in the beginning and 243.4MB in the end (delta: -147.2MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,277 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-22 18:57:35,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.89ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 134.8MB in the end (delta: -38.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.11ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 129.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,277 INFO L158 Benchmark]: Boogie Preprocessor took 57.68ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 124.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,278 INFO L158 Benchmark]: RCFGBuilder took 704.73ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 73.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,278 INFO L158 Benchmark]: TraceAbstraction took 192520.77ms. Allocated memory was 167.8MB in the beginning and 369.1MB in the end (delta: 201.3MB). Free memory was 73.3MB in the beginning and 255.0MB in the end (delta: -181.7MB). Peak memory consumption was 164.2MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,278 INFO L158 Benchmark]: Witness Printer took 151.80ms. Allocated memory is still 369.1MB. Free memory was 255.0MB in the beginning and 243.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-22 18:57:35,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.89ms. Allocated memory is still 167.8MB. Free memory was 96.1MB in the beginning and 134.8MB in the end (delta: -38.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.11ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 129.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.68ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 124.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 704.73ms. Allocated memory is still 167.8MB. Free memory was 124.3MB in the beginning and 73.9MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 192520.77ms. Allocated memory was 167.8MB in the beginning and 369.1MB in the end (delta: 201.3MB). Free memory was 73.3MB in the beginning and 255.0MB in the end (delta: -181.7MB). Peak memory consumption was 164.2MB. Max. memory is 16.1GB. * Witness Printer took 151.80ms. Allocated memory is still 369.1MB. Free memory was 255.0MB in the beginning and 243.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int, v_#Ultimate.C_memset#7_#t~loopctr200_126 : int :: ((#memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_126] == #value && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= v_#Ultimate.C_memset#7_#t~loopctr200_126) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int :: (v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= #t~loopctr200 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_203 : int :: (21 <= v_#Ultimate.C_memset#7_#t~loopctr200_203 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_203] == #value) && v_#Ultimate.C_memset#7_#t~loopctr200_203 + 1 <= #t~loopctr200) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][21 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][16 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][19 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][18 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_#Ultimate.C_memset#7_#t~loopctr200_125 : int :: (v_#Ultimate.C_memset#7_#t~loopctr200_125 + 1 <= #t~loopctr200 && #memory_int#7[#ptr!base][#ptr!offset + v_#Ultimate.C_memset#7_#t~loopctr200_125] == #value) && 22 <= v_#Ultimate.C_memset#7_#t~loopctr200_125) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][17 + #ptr!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#7[#ptr!base][20 + #ptr!offset] could not be translated * 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: 155]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 192.4s, OverallIterations: 9, TraceHistogramMax: 24, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 130.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 440 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 433 mSDsluCounter, 7729 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7123 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5593 IncrementalHoareTripleChecker+Invalid, 5743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 606 mSDtfsCounter, 5593 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1021 GetRequests, 581 SyntacticMatches, 6 SemanticMatches, 434 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3536 ImplicationChecksByTransitivity, 41.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=8, InterpolantAutomatonStates: 199, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 93 PreInvPairs, 124 NumberOfFragments, 625 HoareAnnotationTreeSize, 93 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 1440 FormulaSimplificationTreeSizeReductionInter, 130.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.8s SatisfiabilityAnalysisTime, 25.6s InterpolantComputationTime, 817 NumberOfCodeBlocks, 809 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1148 ConstructedInterpolants, 14 QuantifiedInterpolants, 5471 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5669 ConjunctsInSsa, 246 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 1280/3002 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 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-22 18:57:35,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE