./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:03,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:03,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:03,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:03,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:03,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:03,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:03,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:03,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:03,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:03,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:03,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:03,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:03,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:03,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:03,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:03,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:03,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:03,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:03,778 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:03,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:03,779 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:03,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:03,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:03,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:03,781 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:03,782 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:03,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:03,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:03,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:03,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:03,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:03,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:03,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:03,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:03,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f [2023-11-19 02:55:04,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:04,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:04,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:04,138 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:04,139 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:04,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2023-11-19 02:55:07,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:07,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:07,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2023-11-19 02:55:07,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/ede90c7af/2a71cf8df3fc458d87a1f52b4a38d808/FLAGd57831ee4 [2023-11-19 02:55:07,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/ede90c7af/2a71cf8df3fc458d87a1f52b4a38d808 [2023-11-19 02:55:07,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:07,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:07,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:07,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:07,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:07,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8557e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07, skipping insertion in model container [2023-11-19 02:55:07,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:07,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:07,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:07,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:07,779 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:07,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07 WrapperNode [2023-11-19 02:55:07,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:07,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:07,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:07,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:07,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,851 INFO L138 Inliner]: procedures = 17, calls = 172, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 185 [2023-11-19 02:55:07,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:07,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:07,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:07,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:07,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:07,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:07,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:07,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:07,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:07" (1/1) ... [2023-11-19 02:55:07,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:07,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:07,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:08,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_28_to_32_0 [2023-11-19 02:55:08,043 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_28_to_32_0 [2023-11-19 02:55:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:55:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:55:08,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:55:08,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:55:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:55:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_36_to_52_0 [2023-11-19 02:55:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_36_to_52_0 [2023-11-19 02:55:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:55:08,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:08,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:09,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:09,747 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:09,747 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:55:09,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:09 BoogieIcfgContainer [2023-11-19 02:55:09,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:09,766 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:09,766 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:09,777 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:09,778 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:09,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 554 states and 568 transitions. [2023-11-19 02:55:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 568 transitions. [2023-11-19 02:55:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:55:09,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:09,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:10,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 558 states and 574 transitions. [2023-11-19 02:55:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 574 transitions. [2023-11-19 02:55:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:55:10,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 561 states and 579 transitions. [2023-11-19 02:55:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 579 transitions. [2023-11-19 02:55:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:55:11,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 568 states and 596 transitions. [2023-11-19 02:55:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 596 transitions. [2023-11-19 02:55:13,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:55:13,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 569 states and 597 transitions. [2023-11-19 02:55:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 597 transitions. [2023-11-19 02:55:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:55:13,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:15,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 575 states and 610 transitions. [2023-11-19 02:55:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 610 transitions. [2023-11-19 02:55:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:15,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 581 states and 623 transitions. [2023-11-19 02:55:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 623 transitions. [2023-11-19 02:55:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:18,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:18,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:20,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 587 states and 638 transitions. [2023-11-19 02:55:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 638 transitions. [2023-11-19 02:55:20,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:55:20,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 589 states and 642 transitions. [2023-11-19 02:55:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 642 transitions. [2023-11-19 02:55:21,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:55:21,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 595 states and 656 transitions. [2023-11-19 02:55:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 656 transitions. [2023-11-19 02:55:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:55:24,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:24,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 596 states and 657 transitions. [2023-11-19 02:55:25,060 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 657 transitions. [2023-11-19 02:55:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:25,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 35 [2023-11-19 02:55:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,359 INFO L349 Elim1Store]: treesize reduction 29, result has 29.3 percent of original size [2023-11-19 02:55:25,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 215 treesize of output 216 [2023-11-19 02:55:25,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:25,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 02:55:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 603 states and 685 transitions. [2023-11-19 02:55:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 685 transitions. [2023-11-19 02:55:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:27,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:55:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:33,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 609 states and 725 transitions. [2023-11-19 02:55:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 725 transitions. [2023-11-19 02:55:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:33,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:35,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:55:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 615 states and 742 transitions. [2023-11-19 02:55:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 742 transitions. [2023-11-19 02:55:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:55:39,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:39,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:39,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:55:39,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:39,921 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 02:55:39,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:39,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:39,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:39,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:40,688 INFO L349 Elim1Store]: treesize reduction 417, result has 26.1 percent of original size [2023-11-19 02:55:40,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 962 treesize of output 839 [2023-11-19 02:55:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 02:55:40,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2023-11-19 02:55:41,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 15 [2023-11-19 02:55:41,275 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,324 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,358 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,367 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,374 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,387 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,394 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,411 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,412 INFO L224 Elim1Store]: Index analysis took 140 ms [2023-11-19 02:55:41,427 INFO L349 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2023-11-19 02:55:41,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 143 treesize of output 191 [2023-11-19 02:55:41,866 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,935 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,964 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,973 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,987 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,993 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:41,999 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,012 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,031 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,035 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,036 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,036 INFO L224 Elim1Store]: Index analysis took 214 ms [2023-11-19 02:55:42,127 INFO L349 Elim1Store]: treesize reduction 108, result has 13.6 percent of original size [2023-11-19 02:55:42,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 155 treesize of output 217 [2023-11-19 02:55:42,404 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,407 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,413 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,417 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,422 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,426 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,484 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,488 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,489 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:42,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 191 [2023-11-19 02:55:42,675 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:42,677 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2023-11-19 02:55:42,822 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 02:55:42,824 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2023-11-19 02:55:43,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 782 treesize of output 777 [2023-11-19 02:55:43,778 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:43,780 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:43,793 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:43,798 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:43,800 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:43,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 63 [2023-11-19 02:55:44,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:44,100 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:44,107 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:44,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 02:55:44,134 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-11-19 02:55:44,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 103 treesize of output 71 [2023-11-19 02:55:44,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 15 [2023-11-19 02:55:44,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 116 treesize of output 109 [2023-11-19 02:55:44,480 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:55:44,484 INFO L158 Benchmark]: Toolchain (without parser) took 37062.36ms. Allocated memory was 178.3MB in the beginning and 377.5MB in the end (delta: 199.2MB). Free memory was 126.0MB in the beginning and 325.0MB in the end (delta: -199.1MB). Peak memory consumption was 215.2MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,484 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:44,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.39ms. Allocated memory is still 178.3MB. Free memory was 125.7MB in the beginning and 112.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.32ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,486 INFO L158 Benchmark]: Boogie Preprocessor took 70.87ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 107.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,487 INFO L158 Benchmark]: RCFGBuilder took 1840.62ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 142.3MB in the end (delta: -35.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,488 INFO L158 Benchmark]: CodeCheck took 34716.90ms. Allocated memory was 178.3MB in the beginning and 377.5MB in the end (delta: 199.2MB). Free memory was 142.3MB in the beginning and 325.0MB in the end (delta: -182.8MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:44,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.39ms. Allocated memory is still 178.3MB. Free memory was 125.7MB in the beginning and 112.2MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.32ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 109.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.87ms. Allocated memory is still 178.3MB. Free memory was 109.5MB in the beginning and 107.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1840.62ms. Allocated memory is still 178.3MB. Free memory was 107.1MB in the beginning and 142.3MB in the end (delta: -35.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * CodeCheck took 34716.90ms. Allocated memory was 178.3MB in the beginning and 377.5MB in the end (delta: 199.2MB). Free memory was 142.3MB in the beginning and 325.0MB in the end (delta: -182.8MB). Peak memory consumption was 230.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:55:44,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:47,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:47,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 02:55:47,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:47,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:47,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:47,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:47,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:47,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:47,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:47,273 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:47,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:47,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:47,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:47,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:47,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:47,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:55:47,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:55:47,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:47,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:55:47,280 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:47,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:47,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:47,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:47,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:47,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:47,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:47,283 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:47,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:47,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:47,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:47,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:47,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:47,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:47,286 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:55:47,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:55:47,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:47,287 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:55:47,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:55:47,288 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a9aad6636e75eb788a44e63e1649ee5df89ecae877c31a886978a8e3fdd2e8f [2023-11-19 02:55:47,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:47,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:47,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:47,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:47,738 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:47,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2023-11-19 02:55:50,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:51,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:51,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/sv-benchmarks/c/recursified_nla-digbench/recursified_dijkstra.c [2023-11-19 02:55:51,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/aeb096249/6cf6ffda5f45404193fe6778ec5edee8/FLAGc3d038e54 [2023-11-19 02:55:51,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e0fb5a-38a1-417d-9e73-905a90edc0ea/bin/ukojak-verify-G8NBE6pJGL/data/aeb096249/6cf6ffda5f45404193fe6778ec5edee8 [2023-11-19 02:55:51,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:51,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:51,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:51,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:51,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:51,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:51" (1/1) ... [2023-11-19 02:55:51,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10911342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:51, skipping insertion in model container [2023-11-19 02:55:51,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:51" (1/1) ... [2023-11-19 02:55:51,336 INFO L177 MainTranslator]: Built tables and reachable declarations