./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:54:43,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:54:43,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:54:43,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:54:43,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:54:43,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:54:43,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:54:43,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:54:43,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:54:43,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:54:43,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:54:43,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:54:43,898 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:54:43,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:54:43,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:43,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:54:43,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:54:43,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:54:43,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:54:43,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:54:43,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 [2024-12-06 01:54:44,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:54:44,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:54:44,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:54:44,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:54:44,100 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:54:44,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2024-12-06 01:54:46,696 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/data/7a6e06dfe/88d59872bed34fd4891b870003a56798/FLAG5479c9628 [2024-12-06 01:54:46,909 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:54:46,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2024-12-06 01:54:46,915 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/data/7a6e06dfe/88d59872bed34fd4891b870003a56798/FLAG5479c9628 [2024-12-06 01:54:46,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/data/7a6e06dfe/88d59872bed34fd4891b870003a56798 [2024-12-06 01:54:46,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:54:46,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:54:46,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:46,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:54:46,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:54:46,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:46" (1/1) ... [2024-12-06 01:54:46,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515d1502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:46, skipping insertion in model container [2024-12-06 01:54:46,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:54:46" (1/1) ... [2024-12-06 01:54:46,950 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:54:47,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-12-06 01:54:47,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:47,072 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:54:47,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-12-06 01:54:47,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:54:47,096 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:54:47,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47 WrapperNode [2024-12-06 01:54:47,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:54:47,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:47,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:54:47,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:54:47,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,118 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-12-06 01:54:47,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:54:47,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:54:47,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:54:47,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:54:47,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:54:47,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:54:47,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:54:47,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:54:47,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:54:47,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:54:47,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:54:47,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1566d526-b8c8-49c4-8f27-e7a9a21c79d7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:54:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:54:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:54:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:54:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:54:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:54:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:54:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:54:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:54:47,250 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:54:47,252 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:54:47,366 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:54:47,367 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:54:47,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:54:47,393 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:54:47,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:47 BoogieIcfgContainer [2024-12-06 01:54:47,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:54:47,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:54:47,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:54:47,403 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:54:47,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:54:47" (1/1) ... [2024-12-06 01:54:47,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:54:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 01:54:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 01:54:47,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:54:47,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 01:54:47,612 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 01:54:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:54:47,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:47,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:47,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:54:47,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 01:54:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 01:54:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:54:47,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-12-06 01:54:48,177 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 01:54:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:54:48,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:48,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:48,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:49,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-12-06 01:54:49,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 01:54:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:54:49,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:49,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:49,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:54:49,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:49,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:54:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-12-06 01:54:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-12-06 01:54:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:54:50,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:50,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:50,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:54:50,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 01:54:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:55,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-12-06 01:54:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-12-06 01:54:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:54:55,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:54:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:54:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:55,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:54:55,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 01:55:07,034 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:55:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-12-06 01:55:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-12-06 01:55:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 01:55:08,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:55:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:55:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:08,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:55:08,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:56:24,057 WARN L286 SmtUtils]: Spent 11.69s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:56:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 98 transitions. [2024-12-06 01:56:26,398 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-12-06 01:56:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 01:56:26,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:26,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:56:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:56:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:26,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 01:56:26,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:34,056 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 01:57:07,380 WARN L286 SmtUtils]: Spent 32.61s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:57:30,040 WARN L286 SmtUtils]: Spent 22.31s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:57:33,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:57:33,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:33,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 67 states and 106 transitions. [2024-12-06 01:57:33,509 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 106 transitions. [2024-12-06 01:57:33,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 01:57:33,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:57:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:57:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:33,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 01:57:33,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:57:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-06 01:58:59,070 WARN L286 SmtUtils]: Spent 31.73s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:23,341 WARN L286 SmtUtils]: Spent 23.68s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:59:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:59:25,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 120 transitions. [2024-12-06 01:59:25,517 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2024-12-06 01:59:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 01:59:25,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:59:25,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:59:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:59:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:25,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 01:59:25,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:59:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 01:59:42,014 WARN L286 SmtUtils]: Spent 14.41s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:03,614 WARN L286 SmtUtils]: Spent 25.03s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:01:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 79 states and 127 transitions. [2024-12-06 02:01:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2024-12-06 02:01:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 02:01:08,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:08,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:08,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 02:01:08,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:13,206 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-06 02:02:00,387 WARN L286 SmtUtils]: Spent 46.67s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:02:52,544 WARN L286 SmtUtils]: Spent 50.77s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:03:00,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:03:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 134 transitions. [2024-12-06 02:03:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2024-12-06 02:03:01,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 02:03:01,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:01,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:03:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:01,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:03:01,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:03:56,761 WARN L286 SmtUtils]: Spent 53.16s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:32,920 WARN L286 SmtUtils]: Spent 34.88s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:39,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:04:59,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:05:01,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:05:01,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 141 transitions. [2024-12-06 02:05:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2024-12-06 02:05:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 02:05:01,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 201 proven. 29 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-12-06 02:06:32,711 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:07:46,638 WARN L286 SmtUtils]: Spent 1.20m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:09:10,763 WARN L286 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)