./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.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_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:59,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:59,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:59,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:59,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:59,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:59,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:59,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:59,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:59,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:59,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:59,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:59,517 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:59,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:59,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:59,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:59,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:59,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:59,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:59,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:59,522 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:59,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:59,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:59,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:59,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:59,526 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:59,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:59,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:59,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:59,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:59,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:59,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:59,530 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:59,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:59,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:59,531 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_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2023-11-21 18:45:59,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:59,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:59,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:59,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:59,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:59,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-11-21 18:46:03,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:03,337 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:03,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-11-21 18:46:03,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/fd3dcd4de/17a416635e4e4f5fb70e2c81d6770fff/FLAG99804808c [2023-11-21 18:46:03,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/fd3dcd4de/17a416635e4e4f5fb70e2c81d6770fff [2023-11-21 18:46:03,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:03,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:03,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:03,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:03,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:03,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2fbbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03, skipping insertion in model container [2023-11-21 18:46:03,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:03,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:03,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:03,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:03,656 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:03,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03 WrapperNode [2023-11-21 18:46:03,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:03,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:03,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:03,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:03,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,717 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2023-11-21 18:46:03,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:03,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:03,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:03,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:03,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:03,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:03,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:03,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:03,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:03" (1/1) ... [2023-11-21 18:46:03,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:03,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:03,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:03,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:03,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:03,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:03,924 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:03,927 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:04,551 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:04,625 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:04,625 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:46:04,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:04 BoogieIcfgContainer [2023-11-21 18:46:04,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:04,629 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:04,629 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:04,641 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:04,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:04" (1/1) ... [2023-11-21 18:46:04,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2023-11-21 18:46:04,720 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2023-11-21 18:46:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:04,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,903 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 18:46:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-11-21 18:46:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-21 18:46:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:04,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:04,978 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 18:46:04,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:04,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2023-11-21 18:46:04,994 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-11-21 18:46:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:46:04,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,014 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 18:46:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2023-11-21 18:46:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-21 18:46:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:46:05,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:05,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:05,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:05,075 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 18:46:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2023-11-21 18:46:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2023-11-21 18:46:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:05,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:05,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:05,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:46:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:05,178 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2023-11-21 18:46:05,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:46:05 ImpRootNode [2023-11-21 18:46:05,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:46:05,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:46:05,209 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:46:05,210 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:46:05,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:04" (3/4) ... [2023-11-21 18:46:05,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:46:05,214 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:46:05,216 INFO L158 Benchmark]: Toolchain (without parser) took 1840.27ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 131.8MB in the end (delta: 12.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,217 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:05,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.23ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 132.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.08ms. Allocated memory is still 188.7MB. Free memory was 132.7MB in the beginning and 131.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,221 INFO L158 Benchmark]: Boogie Preprocessor took 28.67ms. Allocated memory is still 188.7MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,222 INFO L158 Benchmark]: RCFGBuilder took 880.13ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 157.0MB in the end (delta: -27.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,229 INFO L158 Benchmark]: CodeCheck took 578.69ms. Allocated memory is still 188.7MB. Free memory was 157.0MB in the beginning and 132.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:05,229 INFO L158 Benchmark]: Witness Printer took 5.78ms. Allocated memory is still 188.7MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:05,239 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, 133 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 28. Possible FailurePath: [L25] int r; [L26] double a, x, s; [L27] a = __VERIFIER_nondet_double() [L28] CALL assume_abort_if_not(a>=0 && a<=20) [L14] COND FALSE !(!cond) [L28] RET assume_abort_if_not(a>=0 && a<=20) [L29] x = a [L30] s = 3.25 [L31] r = 1 VAL [a=2, r=1, s=13/4, x=2] [L33] COND TRUE 1 VAL [a=2, r=1, s=13/4, x=2] [L34] EXPR 12*r VAL [a=2, r=1, s=13/4, x=2] [L34] EXPR 12*r*r VAL [a=2, r=1, s=13/4, x=2] [L34] (int)(4*s) - 12*r*r VAL [a=2, r=1, s=13/4, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 78.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.23ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 132.7MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.08ms. Allocated memory is still 188.7MB. Free memory was 132.7MB in the beginning and 131.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.67ms. Allocated memory is still 188.7MB. Free memory was 131.0MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 880.13ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 157.0MB in the end (delta: -27.5MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * CodeCheck took 578.69ms. Allocated memory is still 188.7MB. Free memory was 157.0MB in the beginning and 132.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 5.78ms. Allocated memory is still 188.7MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:46:05,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:08,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:08,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:46:08,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:08,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:08,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:08,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:08,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:08,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:08,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:08,397 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:08,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:08,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:08,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:08,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:08,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:08,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:46:08,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:46:08,402 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:08,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:46:08,403 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:08,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:08,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:08,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:08,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:08,406 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:08,406 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:08,406 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:46:08,407 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:46:08,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:08,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:08,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:08,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:08,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:08,410 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:46:08,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:46:08,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:08,411 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:46:08,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:46:08,412 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53908028cfc42f68f62c10378662b57f64149241c563947e258b97b254c402b4 [2023-11-21 18:46:08,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:08,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:08,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:08,930 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:08,930 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:08,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-11-21 18:46:12,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:12,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:12,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/sv-benchmarks/c/nla-digbench-scaling/freire2_valuebound20.c [2023-11-21 18:46:12,699 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/969e32686/1fc5bf851377468099a68a91ef7c0e10/FLAG349a62026 [2023-11-21 18:46:12,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/data/969e32686/1fc5bf851377468099a68a91ef7c0e10 [2023-11-21 18:46:12,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:12,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:12,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:12,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:12,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:12,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:12" (1/1) ... [2023-11-21 18:46:12,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c34b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:12, skipping insertion in model container [2023-11-21 18:46:12,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:12" (1/1) ... [2023-11-21 18:46:12,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:13,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:13,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:13,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:13,085 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:13,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13 WrapperNode [2023-11-21 18:46:13,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:13,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:13,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:13,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:13,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,143 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-21 18:46:13,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:13,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:13,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:13,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:13,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:13,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:13,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:13,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:13,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:13" (1/1) ... [2023-11-21 18:46:13,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:13,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:13,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042529e7-a751-4fa1-809b-cd1fbd1d99bb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:46:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:13,378 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:13,382 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation