./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi --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 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:44,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:44,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:54:44,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:44,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:44,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:44,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:44,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:44,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:44,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:44,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:44,459 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:44,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:44,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:44,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:44,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:44,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:44,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:44,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:44,465 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:44,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:44,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:44,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:44,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:44,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:44,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:44,472 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:44,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:44,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:44,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:44,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:44,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:44,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:44,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:44,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:44,477 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_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 195211c9f868f5964f7b285740d659c730bcb8c4a7a1535db6072c2ad23ac8ff [2023-11-24 22:54:44,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:44,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:44,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:44,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:44,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:44,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2023-11-24 22:54:48,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:49,017 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:49,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound20.c [2023-11-24 22:54:49,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/data/53ee0cc93/01e7ea548ea14fae90659881aa6cf90e/FLAG72931e1dd [2023-11-24 22:54:49,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/data/53ee0cc93/01e7ea548ea14fae90659881aa6cf90e [2023-11-24 22:54:49,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:49,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:49,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:49,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:49,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:49,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dd7952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49, skipping insertion in model container [2023-11-24 22:54:49,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,090 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:49,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:49,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:49,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:49,384 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:49,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49 WrapperNode [2023-11-24 22:54:49,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:49,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:49,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:49,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:49,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,428 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-24 22:54:49,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:49,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:49,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:49,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:49,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:49,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:49,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:49,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:49,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:49,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:49,640 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:49,642 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:49,842 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:49,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:49,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:49,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49 BoogieIcfgContainer [2023-11-24 22:54:49,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:49,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:49,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:49,929 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:49,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49" (1/1) ... [2023-11-24 22:54:49,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-24 22:54:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-24 22:54:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:50,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-24 22:54:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-24 22:54:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:50,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-24 22:54:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-24 22:54:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:50,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:50,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:50,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:50,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-24 22:54:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-24 22:54:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:51,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-24 22:54:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-24 22:54:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:51,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 36 transitions. [2023-11-24 22:54:51,932 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-24 22:54:51,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:51,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:52,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 48 transitions. [2023-11-24 22:54:52,373 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2023-11-24 22:54:52,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:52,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:52,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 60 transitions. [2023-11-24 22:54:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2023-11-24 22:54:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:52,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:52,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:52,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:54:52,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:53,460 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 12 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:54,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:54,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 73 transitions. [2023-11-24 22:54:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2023-11-24 22:54:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:54:54,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:54,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:54,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:54:54,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:54,760 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 85 transitions. [2023-11-24 22:54:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2023-11-24 22:54:55,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:54:55,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:55,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:54:55,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 97 transitions. [2023-11-24 22:54:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2023-11-24 22:54:56,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:54:56,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:54:56,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 110 transitions. [2023-11-24 22:54:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2023-11-24 22:54:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:54:57,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:57,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:54:57,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 24 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 122 transitions. [2023-11-24 22:54:58,469 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2023-11-24 22:54:58,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-24 22:54:58,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:54:58,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 134 transitions. [2023-11-24 22:54:59,227 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2023-11-24 22:54:59,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:54:59,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:59,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:59,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 146 transitions. [2023-11-24 22:55:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2023-11-24 22:55:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 22:55:01,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:01,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:55:01,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 33 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:02,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 159 transitions. [2023-11-24 22:55:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2023-11-24 22:55:02,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-24 22:55:02,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:55:02,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 36 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 115 states and 171 transitions. [2023-11-24 22:55:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2023-11-24 22:55:03,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 22:55:03,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:55:03,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 39 proven. 624 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 123 states and 183 transitions. [2023-11-24 22:55:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2023-11-24 22:55:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 22:55:04,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:55:05,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 131 states and 195 transitions. [2023-11-24 22:55:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2023-11-24 22:55:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 22:55:07,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 22:55:07,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 45 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 139 states and 208 transitions. [2023-11-24 22:55:08,967 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 208 transitions. [2023-11-24 22:55:08,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-24 22:55:08,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:09,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:55:09,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 48 proven. 960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 147 states and 220 transitions. [2023-11-24 22:55:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 220 transitions. [2023-11-24 22:55:10,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 22:55:10,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:10,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:55:10,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 1139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 155 states and 232 transitions. [2023-11-24 22:55:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 232 transitions. [2023-11-24 22:55:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-24 22:55:12,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:12,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:12,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:55:12,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:13,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 54 proven. 1224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 163 states and 245 transitions. [2023-11-24 22:55:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 245 transitions. [2023-11-24 22:55:14,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 22:55:14,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:55:14,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:15,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 57 proven. 1368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 171 states and 257 transitions. [2023-11-24 22:55:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 257 transitions. [2023-11-24 22:55:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-24 22:55:16,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:16,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:16,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:55:16,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1580 backedges. 0 proven. 1580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 179 states and 269 transitions. [2023-11-24 22:55:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 269 transitions. [2023-11-24 22:55:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-24 22:55:18,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:18,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:55:18,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1723 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 261 transitions. [2023-11-24 22:55:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2023-11-24 22:55:23,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:23,868 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-24 22:55:23,878 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-24 22:55:24,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:24,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:24,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:24 ImpRootNode [2023-11-24 22:55:24,174 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:24,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:24,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:24,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:24,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:49" (3/4) ... [2023-11-24 22:55:24,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:55:24,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:55:24,183 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:55:24,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:55:24,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:55:24,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:24,280 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:24,281 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:55:24,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:24,282 INFO L158 Benchmark]: Toolchain (without parser) took 35231.96ms. Allocated memory was 144.7MB in the beginning and 247.5MB in the end (delta: 102.8MB). Free memory was 96.7MB in the beginning and 159.0MB in the end (delta: -62.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,282 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 113.4MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:24,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 86.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.70ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:24,284 INFO L158 Benchmark]: Boogie Preprocessor took 28.18ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 83.8MB in the end (delta: 800.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,284 INFO L158 Benchmark]: RCFGBuilder took 456.12ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 72.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,285 INFO L158 Benchmark]: CodeCheck took 34257.92ms. Allocated memory was 144.7MB in the beginning and 247.5MB in the end (delta: 102.8MB). Free memory was 72.5MB in the beginning and 163.2MB in the end (delta: -90.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,285 INFO L158 Benchmark]: Witness Printer took 106.60ms. Allocated memory is still 247.5MB. Free memory was 163.2MB in the beginning and 159.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:24,288 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 33.9s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2491 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2265 mSDsluCounter, 4308 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2596 mSDsCounter, 2935 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7442 IncrementalHoareTripleChecker+Invalid, 10377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2935 mSolverCounterUnsat, 1712 mSDtfsCounter, 7442 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16879 GetRequests, 14811 SyntacticMatches, 1758 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63606 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 13.5s InterpolantComputationTime, 1969 NumberOfCodeBlocks, 1969 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1944 ConstructedInterpolants, 0 QuantifiedInterpolants, 5814 SizeOfPredicates, 465 NumberOfNonLiveVariables, 5905 ConjunctsInSsa, 522 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 2133/13027 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 144.7MB. Free memory was 113.5MB in the beginning and 113.4MB in the end (delta: 81.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 86.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.70ms. Allocated memory is still 144.7MB. Free memory was 86.3MB in the beginning and 84.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.18ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 83.8MB in the end (delta: 800.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.12ms. Allocated memory is still 144.7MB. Free memory was 83.8MB in the beginning and 72.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 34257.92ms. Allocated memory was 144.7MB in the beginning and 247.5MB in the end (delta: 102.8MB). Free memory was 72.5MB in the beginning and 163.2MB in the end (delta: -90.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 106.60ms. Allocated memory is still 247.5MB. Free memory was 163.2MB in the beginning and 159.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:55:24,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4754e595-c7d3-43eb-a702-de490e73334f/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: TRUE