./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2 --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 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:39,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:39,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:39,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:39,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:39,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:39,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:39,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:39,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:39,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:39,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:39,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:39,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:39,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:39,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:39,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:39,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:39,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:39,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:39,620 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:39,621 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:39,622 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:39,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:39,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:39,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:39,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:39,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:39,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:39,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:39,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:39,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:39,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:39,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:39,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:39,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:39,629 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_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 [2023-11-21 18:30:39,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:39,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:39,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:39,999 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:39,999 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:40,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-11-21 18:30:43,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:43,551 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:43,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-11-21 18:30:43,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/data/dbd1fb869/8072c6d1e07a40c2b64a50e2e4f840e9/FLAGdde5ad5b8 [2023-11-21 18:30:43,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/data/dbd1fb869/8072c6d1e07a40c2b64a50e2e4f840e9 [2023-11-21 18:30:43,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:43,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:43,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:43,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:43,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:43,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cefd0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43, skipping insertion in model container [2023-11-21 18:30:43,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:43,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:43,831 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:43,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:43,873 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:43,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43 WrapperNode [2023-11-21 18:30:43,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:43,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:43,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:43,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:43,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,930 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-21 18:30:43,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:43,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:43,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:43,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:43,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,959 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:43,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:43,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:43,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:43,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:43" (1/1) ... [2023-11-21 18:30:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:43,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:43,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:43,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:44,099 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:44,101 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:44,448 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:44,549 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:44,550 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:30:44,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:44 BoogieIcfgContainer [2023-11-21 18:30:44,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:44,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:44,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:44,565 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:44,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:44" (1/1) ... [2023-11-21 18:30:44,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-21 18:30:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:30:44,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:44,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:44,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:30:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:30:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:30:45,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-21 18:30:45,178 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-21 18:30:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:30:45,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:45,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-21 18:30:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-21 18:30:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:30:45,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:45,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-21 18:30:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-21 18:30:45,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:45,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:45,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-21 18:30:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-21 18:30:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:45,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:45,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:46,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-21 18:30:46,578 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-21 18:30:46,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:46,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:46,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:46,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:46,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-21 18:30:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-21 18:30:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:47,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:47,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:47,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:48,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-21 18:30:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-21 18:30:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:48,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:48,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:48,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:48,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-21 18:30:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-21 18:30:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:50,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:50,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:50,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-21 18:30:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-21 18:30:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:50,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:50,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:50,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:50,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:51,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-21 18:30:51,676 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-21 18:30:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:51,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:51,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 269 transitions. [2023-11-21 18:30:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2023-11-21 18:30:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:53,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:53,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 147 states and 270 transitions. [2023-11-21 18:30:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2023-11-21 18:30:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:54,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:54,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 271 transitions. [2023-11-21 18:30:54,090 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 271 transitions. [2023-11-21 18:30:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:54,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:54,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 154 states and 281 transitions. [2023-11-21 18:30:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2023-11-21 18:30:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:30:54,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:54,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 308 transitions. [2023-11-21 18:30:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 308 transitions. [2023-11-21 18:30:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:30:57,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:57,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:57,929 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 174 states and 319 transitions. [2023-11-21 18:30:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 319 transitions. [2023-11-21 18:30:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:30:59,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 188 states and 345 transitions. [2023-11-21 18:31:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 345 transitions. [2023-11-21 18:31:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:02,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:02,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:31:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 188 states and 340 transitions. [2023-11-21 18:31:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 340 transitions. [2023-11-21 18:31:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:03,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:03,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:31:03,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:03,301 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 192 states and 356 transitions. [2023-11-21 18:31:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 356 transitions. [2023-11-21 18:31:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:31:04,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:04,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:04,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:04,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:31:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:06,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 203 states and 381 transitions. [2023-11-21 18:31:06,412 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 381 transitions. [2023-11-21 18:31:06,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:06,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:06,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:06,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:06,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:31:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:07,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 51 states and 64 transitions. [2023-11-21 18:31:07,230 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-11-21 18:31:07,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:07,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:07,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:07,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:31:07,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:07,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:31:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 46 states and 57 transitions. [2023-11-21 18:31:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-21 18:31:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:10,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:10,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:10,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:10,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:31:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 40 states and 50 transitions. [2023-11-21 18:31:14,130 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2023-11-21 18:31:14,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:31:14,131 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-21 18:31:14,145 INFO L751 CodeCheckObserver]: All specifications hold 28 specifications checked. All of them hold [2023-11-21 18:31:14,700 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:31:14,704 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-21 18:31:14,708 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:31:14,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:31:14 ImpRootNode [2023-11-21 18:31:14,709 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:31:14,710 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:31:14,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:31:14,710 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:31:14,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:44" (3/4) ... [2023-11-21 18:31:14,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:31:14,715 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:31:14,721 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-21 18:31:14,722 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 18:31:14,722 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:31:14,722 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:31:14,852 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:31:14,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:31:14,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:31:14,858 INFO L158 Benchmark]: Toolchain (without parser) took 31274.62ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 120.4MB in the beginning and 109.7MB in the end (delta: 10.7MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,858 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:14,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.28ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 109.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 107.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,860 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,862 INFO L158 Benchmark]: RCFGBuilder took 592.82ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 129.3MB in the end (delta: -23.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,863 INFO L158 Benchmark]: CodeCheck took 30154.67ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 129.2MB in the beginning and 114.9MB in the end (delta: 14.3MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,863 INFO L158 Benchmark]: Witness Printer took 143.58ms. Allocated memory is still 281.0MB. Free memory was 114.9MB in the beginning and 109.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:14,868 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, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 29.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3787 SdHoareTripleChecker+Valid, 19.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2778 mSDsluCounter, 2094 SdHoareTripleChecker+Invalid, 16.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1006 mSDsCounter, 1797 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11542 IncrementalHoareTripleChecker+Invalid, 13339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1797 mSolverCounterUnsat, 1088 mSDtfsCounter, 11542 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5699 GetRequests, 5122 SyntacticMatches, 159 SemanticMatches, 418 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97075 ImplicationChecksByTransitivity, 24.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1461 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1600 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 24 InterpolantComputations, 21 PerfectInterpolantSequences, 158/164 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((!(((p == 1) && (1 <= (B % 4294967296)))) || (((((d <= 4294967295) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (1 <= d))) || (1 <= counter)) || (counter < 0)) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.28ms. Allocated memory is still 159.4MB. Free memory was 120.4MB in the beginning and 109.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 159.4MB. Free memory was 109.5MB in the beginning and 107.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 159.4MB. Free memory was 107.7MB in the beginning and 106.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.82ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 129.3MB in the end (delta: -23.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * CodeCheck took 30154.67ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 129.2MB in the beginning and 114.9MB in the end (delta: 14.3MB). Peak memory consumption was 134.6MB. Max. memory is 16.1GB. * Witness Printer took 143.58ms. Allocated memory is still 281.0MB. Free memory was 114.9MB in the beginning and 109.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:31:14,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9faed43d-cd71-4a0f-b732-1a7422036cdb/bin/ukojak-verify-i0I2FZA1j2/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