./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:01:44,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:01:44,642 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:01:44,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:01:44,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:01:44,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:01:44,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:01:44,677 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:01:44,678 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:01:44,678 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:01:44,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:01:44,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:01:44,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:01:44,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:01:44,680 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:01:44,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:01:44,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:01:44,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:01:44,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:01:44,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:01:44,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:44,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:01:44,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:01:44,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:01:44,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:01:44,683 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb [2024-11-07 12:01:45,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:01:45,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:01:45,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:01:45,017 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:01:45,018 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:01:45,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-07 12:01:46,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:01:46,699 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:01:46,700 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-07 12:01:46,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e1a1d21e/ddfa7acd8cb243ada4ba30554e6f1599/FLAGade92ffee [2024-11-07 12:01:46,842 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e1a1d21e/ddfa7acd8cb243ada4ba30554e6f1599 [2024-11-07 12:01:46,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:01:46,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:01:46,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:01:46,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:01:46,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:01:46,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:46" (1/1) ... [2024-11-07 12:01:46,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1852503e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:46, skipping insertion in model container [2024-11-07 12:01:46,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:46" (1/1) ... [2024-11-07 12:01:46,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:01:47,179 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4497,4510] [2024-11-07 12:01:47,187 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4557,4570] [2024-11-07 12:01:47,793 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:01:48,258 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:01:48,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4497,4510] [2024-11-07 12:01:48,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i[4557,4570] [2024-11-07 12:01:48,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,436 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:48,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-07 12:01:48,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:01:48,707 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:01:48,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48 WrapperNode [2024-11-07 12:01:48,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:01:48,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:01:48,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:01:48,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:01:48,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,843 INFO L138 Inliner]: procedures = 678, calls = 1543, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 673 [2024-11-07 12:01:48,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:01:48,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:01:48,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:01:48,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:01:48,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,950 INFO L175 MemorySlicer]: Split 335 memory accesses to 6 slices as follows [238, 2, 79, 3, 6, 7]. 71 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 1, 0, 5]. The 252 writes are split as follows [232, 0, 17, 1, 2, 0]. [2024-11-07 12:01:48,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:48,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:01:49,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:01:49,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:01:49,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:01:49,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (1/1) ... [2024-11-07 12:01:49,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:49,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:49,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 12:01:49,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 12:01:49,115 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 12:01:49,116 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 12:01:49,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:01:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 12:01:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 12:01:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 12:01:49,117 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 12:01:49,117 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:01:49,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:01:49,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:01:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:01:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-07 12:01:49,120 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-07 12:01:49,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:01:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:01:49,121 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:01:49,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:01:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 12:01:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 12:01:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:01:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:01:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 12:01:49,122 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 12:01:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:01:49,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 12:01:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-07 12:01:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:01:49,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:01:49,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:01:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:01:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:01:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:01:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:01:49,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:01:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 12:01:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-07 12:01:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:01:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:01:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:01:49,462 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:01:49,465 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:01:55,581 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-07 12:01:55,582 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:01:55,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:01:55,600 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 12:01:55,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:55 BoogieIcfgContainer [2024-11-07 12:01:55,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:01:55,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:01:55,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:01:55,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:01:55,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:01:46" (1/3) ... [2024-11-07 12:01:55,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b94298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:55, skipping insertion in model container [2024-11-07 12:01:55,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:48" (2/3) ... [2024-11-07 12:01:55,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b94298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:55, skipping insertion in model container [2024-11-07 12:01:55,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:55" (3/3) ... [2024-11-07 12:01:55,611 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_size_harness.i [2024-11-07 12:01:55,624 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:01:55,625 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:01:55,685 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:01:55,696 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3739e157, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:01:55,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:01:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 12:01:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 12:01:55,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:55,718 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:01:55,719 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:55,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:55,724 INFO L85 PathProgramCache]: Analyzing trace with hash -436629978, now seen corresponding path program 1 times [2024-11-07 12:01:55,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:55,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587450724] [2024-11-07 12:01:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:02:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:02:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:02:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:02:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:02:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:02:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:02:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:02:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:02:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:02:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:02:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:02:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:02:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:02:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:02:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 12:02:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 12:02:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 12:02:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:02:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 12:02:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-07 12:02:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:02:03,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587450724] [2024-11-07 12:02:03,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587450724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:02:03,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:02:03,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 12:02:03,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402425185] [2024-11-07 12:02:03,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:02:03,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 12:02:03,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:02:03,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 12:02:03,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:02:03,462 INFO L87 Difference]: Start difference. First operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:02:07,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:12,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:21,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:02:21,630 INFO L93 Difference]: Finished difference Result 383 states and 528 transitions. [2024-11-07 12:02:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 12:02:21,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-07 12:02:21,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:02:21,641 INFO L225 Difference]: With dead ends: 383 [2024-11-07 12:02:21,641 INFO L226 Difference]: Without dead ends: 214 [2024-11-07 12:02:21,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 12:02:21,649 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 350 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2024-11-07 12:02:21,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 119 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 376 Invalid, 2 Unknown, 0 Unchecked, 15.7s Time] [2024-11-07 12:02:21,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-07 12:02:21,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-07 12:02:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.1965811965811965) internal successors, (140), 118 states have internal predecessors, (140), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 12:02:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 231 transitions. [2024-11-07 12:02:21,717 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 231 transitions. Word has length 137 [2024-11-07 12:02:21,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:02:21,717 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 231 transitions. [2024-11-07 12:02:21,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:02:21,718 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2024-11-07 12:02:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-07 12:02:21,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:21,723 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:02:21,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:02:21,724 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:02:21,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:21,728 INFO L85 PathProgramCache]: Analyzing trace with hash -411885338, now seen corresponding path program 1 times [2024-11-07 12:02:21,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:21,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229180535] [2024-11-07 12:02:21,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:21,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:02:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:02:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:02:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:02:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:02:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:02:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:02:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:02:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:02:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:02:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:02:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:02:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:02:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:02:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:02:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-07 12:02:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-07 12:02:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 12:02:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:02:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-07 12:02:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-07 12:02:29,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:02:29,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229180535] [2024-11-07 12:02:29,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229180535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:02:29,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:02:29,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 12:02:29,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113182789] [2024-11-07 12:02:29,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:02:29,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 12:02:29,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:02:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 12:02:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:02:29,382 INFO L87 Difference]: Start difference. First operand 182 states and 231 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-07 12:02:33,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:37,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:59,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:02:59,341 INFO L93 Difference]: Finished difference Result 342 states and 444 transitions. [2024-11-07 12:02:59,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 12:02:59,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-07 12:02:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:02:59,346 INFO L225 Difference]: With dead ends: 342 [2024-11-07 12:02:59,346 INFO L226 Difference]: Without dead ends: 214 [2024-11-07 12:02:59,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 12:02:59,348 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 344 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 209 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2024-11-07 12:02:59,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 151 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 25.8s Time] [2024-11-07 12:02:59,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-07 12:02:59,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-07 12:02:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.188034188034188) internal successors, (139), 118 states have internal predecessors, (139), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 12:02:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-11-07 12:02:59,380 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 137 [2024-11-07 12:02:59,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:02:59,381 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-11-07 12:02:59,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-07 12:02:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-11-07 12:02:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-07 12:02:59,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:59,387 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:02:59,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:02:59,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:02:59,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:59,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1790964644, now seen corresponding path program 1 times [2024-11-07 12:02:59,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:59,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752015759] [2024-11-07 12:02:59,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:59,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:03:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:03:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:03:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:03:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:03:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:03:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:03:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:03:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:04,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:03:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:03:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:03:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:03:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:03:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:03:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:03:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:03:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:06,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:06,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 12:03:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 12:03:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 12:03:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-07 12:03:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 12:03:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 12:03:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-07 12:03:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-07 12:03:07,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:03:07,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752015759] [2024-11-07 12:03:07,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752015759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:03:07,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78030237] [2024-11-07 12:03:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:03:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:07,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:03:07,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 12:03:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:12,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 4565 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 12:03:12,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:03:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-07 12:03:15,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:03:15,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78030237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:03:15,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:03:15,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-07 12:03:15,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610324422] [2024-11-07 12:03:15,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:03:15,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 12:03:15,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:03:15,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 12:03:15,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-07 12:03:15,169 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)